查询词典 spool

SPOOL, CASING HEAD: CASING HEAD; 13-3M

套管四通。套管头13-3M

Then the responding and flow disturbing characteristics of the valve are studied by means of both linearized analysis and numerical simulation. At last the performances are compared with the conventional ones and the influences of the clearance between spool and valve casing are also discussed.

第二章提出了利用阀芯的双运动自由度及毛细阻尼管沿程压力特性设计流体控制元件的基本思想，并叙述了按该思想设计的流体换向阀、流量控制阀及压力阀的工作原理和性能特点。

As the rod reaches the 12 o'clock position, take your thumb off the spool, thus releasing it to feed line out as the casting weight flies out.and falls far short of what you were hoping for.

不要松开按住线轴的母指！，反复练习几次找找感觉。不要用太大劲，现在还不是该发力的时候。熟练了上面的步骤就开始你的第一次抛投吧。

Series VB is a direct-operated spool valve with external drain.

系列VB是直接经营的外部排水阀芯阀。

This paper studies the noise characteristic of spool valves, and establishes the flow-model of the sloping groove. The theory of cavitating dynamics is applied to analysis the noise-control principle.

本文通过对液压元件中的滑阀节流槽噪声特性研究，建立了渐扩形节流槽的流动模型，应用空泡动力学理论分析了其降噪原理。

The theoretical foundation for further research is established. In chapter 6, the flow field of poppet valve and spool valve which are two kinds valve frequently used in hydraulic technique are predicated by finite element method. The flow field structure at different valve opening are illustrated by visualizing images. The effect on the flow noise and energy loss probably caused by vortexes is analyzed quantitatively, the flow channel of the valve is improved.

第六章用有限元方法对液压传动与控制中最常见的两种结构形式的液压阀—液压滑阀和液压锥阀流场进行数值预报，给出不同开口度和不同结构尺寸下流场结构的可视化图像，定性分析涡旋的产生对流体噪声及能量损失可能产生的影响，并对阀的流道结构进行改进。

The use designs the digital cocurrent current supply and the probe head removable intelligence magnetic field measuring instrument to the Helmholtz coil magnetic field key point is the spool thread magnetic field strength survey, drew up the actual field intensity and the theory field intensity graph, has confirmed the magnetic field principle of superposition.

利用所设计出来的数字直流电流源与探头可更换的智能磁场测量仪对亥姆霍兹线圈磁场重点是轴线磁场强度的测量，绘制出了实测场强与理论场强的图表，验证了磁场叠加原理。

A fishing reel is a device used for the deployment and retrieval of fishing line using a spool mounted on an axle.

捕鱼辘的一个装置用于部署和检索渔业线采用滑装在一个车轴。

Based on the compressibility, viscosity resistance and the working house system's deformation etc, flow equations of distribution spool, hydraulic tube and fluid cylinder for 300 MN die forging hydraulic press were established, and dynamics equations of moving beam and upper beam were established based on analysis. The dynamics mechanical-hydraulic coupling model of driving system was established.

考虑流体的可压缩性、粘性阻力及工作框架系统变形等因素，采用解析法建立300 MN模锻水压机动梁驱动系统分配阀口、液压管道、液压缸的流量方程以及动梁和上横梁的动力学方程，得到驱动系统的动态机液耦合模型。

Based on the compressibility, viscosity resistance and the working house system's deformation etc, flow equations of distribution spool, hydraulic tube and fluid cylinder for 300 MN die forging hydraulic press were established, and dynamics equations of moving beam and upper beam were established based on analysis. The dynamics mechanical-hydraulic coupling model of driving system was established.

摘 要：考虑流体的可压缩性、粘性阻力及工作框架系统变形等因素，采用解析法建立300 MN模锻水压机动梁驱动系统分配阀口、液压管道、液压缸的流量方程以及动梁和上横梁的动力学方程，得到驱动系统的动态机液耦合模型。

The second is to cut a mere 100 calories from your diet , which is the equivalent of a tablespoon of butter.

第二个就是从你的饮食中减少一百卡路里，只是相当于一大汤匙的黄油。

This is where the Rorschach test comes in.

现在，罗氏测试就出现了。