英汉例句

• a dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.

  双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长沖程、低沖次节能型抽油机。

• the model provides a good method to develop a new generation of molecular drag pumps with high pumping speed and large throughput.

  自泄漏模型为发展新一代高抽速、高流量分子泵提供了重要的理论基础。

• at the last, pumping speed measurement of zdb-1300 refrigerator cryopumps which was latest developing success was introduced in this paper.

  本文最后介绍了最新研制成功的zdb-1300制冷机低温泵的抽速测试。

• discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down.

  该文介绍了油封机械泵的抽速与入口压力的关系、泵抽气效率下降的原因，指出泵入口管道的流导和油蒸汽逆流是造成泵抽速下降的主要原因。

• a majority of the radiated heat load is absorbed by the radiation baffle. however, the motion of molecules to be pumped is baffled and the pumping speed is lowered.

  辐射挡板的副作用是阻挡了被抽气体分子运动，使低温泵的抽速降低，所以辐射挡板形式的选择对于低温泵的高效运行是至关重要的。

• the neutral beam injection (nbi) system requires a clean high vacuum environment. the liquid helium cryocondensation pump with high pumping speed is an ideal vacuum obtain device.

  中性束注入系统要求有洁凈的动态高真空环境，大抽速液氦冷凝泵是满足此要求的理想真空获得设备。

• this paper is based on the theory of gas dynamics, by means of improving the first nozzle of diffusion pump in order to increase the pumping speed of diffusion pump are reported in the paper.

  本文以气体动力学理论为基础，论述了如何通过改进扩散泵的第一级喷咀来提高扩散泵的抽气速率。

• the pumping speed is predicted according to the vacuum-pumping program, and it is very instructive and meaningful for choosing the vacuum pump in the succeeding phase.

  最后针对此方案，对真空泵抽速进行了预测，这将对后续阶段真空泵的选型具有指导意义。

• in design of a vacuum system, generally it concerns distinguishing the regions of gas flow, the conductance of tube, the pumping speed and the pressure of system etc.

  在真空系统的设计中，一般涉及到流态判别、流导、泵的抽速和系统的压力等参数。

• previous artificial hearts have been unable to automatically vary their pumping speed and must be tweaked externally.

  上人工心脏已经无法自动改变他们的抽水速度和外部都必须经过调整。

• one of the 4 items decided at the vacuum trade meeting in 1974 was to raise the pumping speed of oil booster pump following the raise of sucking pressure.

  1974年真空行业会议确定四大攻关项目之一是油增压泵对应高吸入压强提高抽速。

• using these approximate formulae to calculate the pumping speed of sublimation pumps.

  结果表明，这一套公式可以用于工程计算。

• in addition to pumping air and no condensate and other non-corrosive gases, widely used in pumping speed and the need for high vacuum of truth in this system.

  适用于抽除空气及其它无可凝性及无腐蚀性的气体，广泛应用于需要大抽速和高真空的各种真这系统中。

• calculating methods of pumping speed of different kinds of molecular drag pumps (mdp) is discussed. theoretical result. agree well with experimental data.

  本文讨论了各种拖动分子泵抽速的计算方法，理论结果与实验值符合得很好。

• kt-400 high vacuum oil diffusion pump, which is characterized by extreme high vacuum, pumping speed large, increase production efficiency while the vacuum pneumatic valves with automatic control.

  kt-400高真空油扩散泵，它的特点是真空极限高，抽速大，提高生产效率，同时真空气动阀门采用自动控制。

• after analyzing the sensitive relationship between interference and pumping speed, it is concluded that the interference of pumping speed is stochastic.

  在分析了干扰和抽吸速度的灵敏关系后，认为抽吸速度的干扰具有随机性。

• hemolysis tests are conducted at low, medium and high pumping speed with syringes of different capacities in order to explore the interference reason that affects the different hemolysis results.

  用不同容量的注射器在低、中、高不同抽吸血液的速度下进行溶血试验，以研究分析不同溶血结果的干扰原因实质。

• the methods provide an important theoretical base to develop a new generation of mdp with high pumping speed and large throughput.

  本文为发展高抽速、大排气流量的新一代拖动分子泵提供了重要的理论基础。

• the performances include the equations of profile, co efficient of used area, geometric pumping speed and machining, etc.

  对各型线几何抽速和面积利用系数公式中的重要变量进行了讨论。