查询词典 casing spear

The calculating results are compared with the test data in available literatures and FEM results. The research results show that the plastic hinge model is precise and correct, which can satisfy with the actual engineering demands. The collapse pressure of perforated liner casing decreases with phrase angle, initial ovalization and diameter-thickness ratio increasing, and increases with the yield stress. The phrase angle and initial ovalization have greatly influence on the collapse pressure. The collapse pressure of perforated liner casing is slightly changed with the diameter and density of perforation when the diameter and density are smaller than 12mm and 120 shots per meter, respectively.

计算结果表明：筛管抗挤强度的塑性铰模型具有很高的计算精度和准确度，可以满足工程实际需要；筛管抗挤强度随着射孔相位角、径厚比和初始椭圆度的增加而降低，随着屈服强度的增加而增加，相位角和椭圆度对筛管抗挤强度影响比较显著；在射孔直径小于12 mm、射孔密度小于120 孔/ m 时，筛管抗挤强度随射孔直径和射孔密度增加变化不明显。

They may be working piece of another advantage of the casing, is used in when you need to quickly shoot can be as early as the chip-chests, completed shooting the film, when finished in a roll of casing, the photographer can detach a movie-chests, and immediately put on a new cartridges and shooting miss the crucial moment, in case of shooting Assistant, the surprint rediscussion of the film took out a volume of the new film, this procedure can be repeated; in addition, most of the 120 SLR computers may also have a different format, such as on-chip Bronica SQ-A, he will have 6-by-6, 6 × 4." and " 5,135 quanjing 135a standards of film cartridges.

随时可不不装不不装片匣的另一个弊端，是用在需给飞快不断拍摄时可预早在众个片匣不不装妥胶卷，当拍摄完片匣洋的一卷时，拍照师可以不不装下片匣不独立即不不装上另一片匣，减众在拍摄洋错失重给工夫的可能性，如有拍摄帮手的话，则可把已曝平的胶卷取不入再换上一卷陈胶卷，这样的历程可以屡屡举行；此外，不小局部120独镜反平机也有差别片幅的片匣，如Bronica SQ-A，便有6×6，6×4.5，135&全景&及135尺量量的片匣。

The majority of the observed abnormal casing pressures can be related to the Siph 110 sand, which is an undepleted sand about 1200 feet above the Siph 120 sand, typically in the 7" or 9" casing interval.

观察到的异常套管压力可能与大多数的Siph110砂，大约是1200以上Siph120沙子，脚一undepleted沙子一般在7&或9&套管间隔。

In the light of aggravating casing damage, casing deformation and undergauge wells in the maturing field, conventional model Y341-114 packer couldn't satisfy the operating requirements,model Y341-110 packer is developed.

针对油田开发后期套管损坏井增多、套管变形缩径，常规分注工艺采用的Y341-114型封隔器不能满足套管损坏井分注的难题，研制开发了ZYY341-110型小直径封隔器。

After main parameters of impeller and casing are optimized using the numerical predictions of aerodynamic performance, the size of the vaneless diffuser and the relative place between the impeller and casing are optimized to decrease the friction loss.

利用气动性能数值预估对叶轮和蜗壳的主要参数进行优化后，再对无叶扩压器的大小和叶轮与蜗壳的相对位置进行优化，减少摩擦损失，最终得到的后向通风机测试结果，全压和效率均提高了11％。

According to the eight casing window sidetracking horizontal wells' conditions in Liaohe Oilfield, the main technical measures are given to improve the milling efficiency, which have important effects on improvements of casing milling technologies.

在分析段铣作业存在问题的基础上，对套管段铣工艺技术的有关计算方法作了简要介绍，结合辽河油田 8口套管开窗侧钻水平井的施工情况，给出了提高段铣效率的主要技术措

The techniques about side-entry sub leave casing shoe logging,h igh deviation hole condition wet connectors contact,to prevent wet connectors blockage in long open-hole well,to prevent wet connector unlatching in logging,w ire-line safe protection,c ase pipe conveyed logging in minor size casing are explained in details.A large number of logging results to proved all improvement are success,pipe conveyed logging important operation method is expounded.

详细叙述了改进的旁通出套管鞋测井作业安全防护技术；大斜度状态下湿接头对接技术；防止长裸眼条件下湿接头堵塞技术；防止测井中湿接头松脱技术；测井电缆安全保护技术；小井眼固井质量水平井测井工艺技术，用大量的实际测井效果证明了以上改进技术的可行性，简述钻杆传输测井作业中重点方法。

This removal of air from the pump casing produces a partial vacuum on the pump inlet ,here the fluid is trapped between the teeth of the upper and lower gears and the pump casing .continued rotation of the gears forces the fluid out of the pump discharge .

这种泵内空气运动使泵吸入口处形成了真空，于是外部油箱的液体在大气压的作用下，由泵的入口进入，聚集在上下齿轮和泵壳体之间，齿轮连续的旋转使液体流出泵的出口。

The action of the centrifugal fan, expressed in simple terms, is as follows: when the fan wheel, A (Fig.25.2), carrying the blades or vanes, B, revolves in its casing, the air is moved by the blades, but does not continue to rotate with them.Instead, it is thrown outwards by centrifugal force to the casing, as shown by the arrow, BC, just as a stone flies off from the common sling.

该行动的离心风机，表达了简单来说，就是如下：当风扇车轮，（ fig.25.2 ），进行叶片或叶片，乙，围绕在其套管，空气所动刀片，但不继续轮流与them.instead ，这是向外抛出，由离心力，以套管，显示箭头，公元前，正如一位石材苍蝇从共同吊索。

The invention discloses a support device for an air conditioning faceplate, which is arranged between a front faceplate of a suction inlet of a suspender air conditioning and an air conditioning casing, comprising a support component and a drive motor, wherein, the support component is a cross drive lever component formed by two connecting levers which are connected with each other with freely rotated middle part in a scissors shape, comprising a driving lever and a driven lever, wherein, the driving lever passes through the middle part of the driven lever; the middle part of the driving lever is rotatablely fixed in the middle part of the driven lever; the driving lever is driven by a step motor, has one end fixed on the step motor and the other end fixed in a chute of the faceplate capable of sliding in the chute; and one end of the driven lever is connected with a hook of the faceplate, and the other end of the driven lever is arranged in the chute of the casing and can slide in the chute.

本发明公开了一种空调面板支撑装置，设于挂式空调吸入口的前面面板和空调罩壳之间，包括支撑构件和驱动电机，所述的支撑构件是由中间部转动自由地相互连接的两连杆构成的呈剪刀状的交叉传动杆组件，包括主动杆和从动杆，主动杆从从动杆中部穿过，主动杆中部可转动地固定在从动杆中部，主动杆由步进电机驱动，一端固定在步进电机上，另一端在面板的滑槽中，可以在滑槽中滑动，从动杆一端与面板的挂钩连接，另一端在罩壳的滑槽中，可以在滑槽中滑动。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。