查询词典 casing spear

Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultradeep well, high inclined hole, extended reach well and horizontal well, therefore, friction and wear between casing and drill pipe became a severe problem.

钻杆接头与套管摩擦磨损问题的理论与试验研究套管磨损

Spraying are the main products: plastic shell fan, microwave plastic casing, electronics, said plastic shell,machine learning machine plastic shell, lighting and so on plastic casing.

现主要喷涂产品有：风扇塑料外壳、微波炉塑料外壳、电子称塑料外壳、早教机学习机塑料外壳、灯饰塑料外壳等等。

Every output end has a second casing tube, a filter plate and a collimator and the filter plate and the collimator are in the second casing tube.

每一输出端具有一第二套管、一滤波片与一准直器；其中准直器与滤波片皆设置于第二套管内。

The main body mechanism includes casing, screwed cover plate, upper lifting hook, non-return gear set and chain wheel set inside the casing, and cable clamping board assembly to avoid outer separation of the chain. The ratchet spanner mechanism has ratchet handle assembly fitted to the gear shaft, and the ratchet handle component of the mechanism is patched with gear shaft.

主体机构包括主体外壳和螺接在主体外壳下部的主体盖板，上吊钩配接在主体外壳上部；主体外壳内置防逆转的齿轮传动装置和链轮传动装置，两吊钩的开口部位装有防止链条外脱的卡索板组件；棘轮扳手机构中的棘轮手柄组件配接齿轮轴。

This would benefit much more for in tubing and casing strength design than just using the API 5C3 standard, because it can not only avoid the material loss but also guarantee the safety and reliability of tubing and casing material; moreover, it can provide important reference for the engineers to optimize the strength design and improve the quality in the manufacture of tubings and casings.

这要比单一用API 5C3设计油管、套管强度更合理，既避免了材料的浪费又能保证材料的安全可靠性。

Processing company main products are: a variety of steel grade, multi-threaded type of coupling casing oil, petroleum oil pipe coupling, oil casing thread processing.

公司加工的主要产品为：多种钢级、多种螺纹类型的石油套管接箍、石油油管接箍、石油套管的螺纹加工。

According to the requests of API connecting casing pole to connecting intensity and sealed capability,the paper analyzes the effect of taper tolerance of pipe external thread and coupling internal thread on using properties of casing pole.

根据API螺纹连接套管柱对连接强度和密封性能的要求，分析了管子外螺纹与接箍内螺纹的锥度偏差对套管柱使用性能的影响，提出锥度偏差应在API标准要求的基础上加以内控，将极限公差缩小至机械加工允许的范围内，是提高石油套管柱使用性能的有效途径。

As the sizing process,the last procedure of producing the oil casing pipe,plays a key roll not only in controlling the size and geometry shape of the oil casing pipe,but affecting its mechanical performance.

因此，作为石油套管制造主要生产环节的定径工艺决定了石油套管的直径和椭圆度，进而影响其力学性能。

As the sizing process,the last procedure of producing the oil casing pipe,plays a key roll not only in controlling the size and geometry shape of the oil casing pipe,but affecting its mechanical performance.

为消除石油套管轧制和热处理后的尺寸及圆度误差等，一般要采用定径工艺。

The system designed features, High-pressure casing of steam turbine prewarming and medium pressure casing starting of 300MW turbine.

指出中压缸启动方式是经济、高效、安全可靠的启动方式，并制定汽机预暖与中压缸启动的方案。

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。