往复的

The Adolph accurate dynamic model cannot describe the movement of the reciprocating pump valve at the moment of opening, thereby a new accurate dynamic model for describing the motion law of an automatic conical valve is set up, in consideration of the condensability of the fluid, the Westphal's effect, the condition of the continuous flow of fluid and the dynamic characteristic of pump valve's motion.

针对阿道尔夫往复泵泵阀精确运动微分方程在泵阀开启瞬间存在奇点的不足，综合考虑液体可压缩性、魏氏效应、液体连续流条件及泵阀运动的动力特性，建立了描述往复泵自动锥形阀运动规律的精确运动微分方程。

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In a wave energy system, an important consideration is the self-starting capability of the turbine.

系统研究了威尔斯透平的自起动性能，建立了透平在规则往复流与不规则往复流中的自起动过程数学模型，研究了波高和波频等参数对自起动过程的影响，并将数值计算结果与实验数据进行了比较，结果较为一致。

The stuffing box is the kernel hermetic component of the high pressure reciprocating pump .

填料函是高压往复泵的密封部件，改进前，填料函与泵体连接处榫面上频繁发生断裂的现象直接影响了高压往复泵的运行寿命。

The ensemble structure and working principle of clip electrochemical burring device are discussed in detail.

详细论述了夹片电化学去毛刺装置的总体结构、工作原理，整个装置由间歇往复输送机构、夹片模具、电解液循环装置和清洗装置组成，最后对间歇往复输送机构、夹片模具等进行设计计算。

Reciprocating pump is a positive displacement pump is dependent on the piston pump cylinder for reciprocating motion to change the volume of work, so as to achieve the purpose of transmission fluid.

往复泵是容积式泵的一种，是依靠泵缸内的活塞作往复运动来改变工作容积，从而达到输送液体的目的。

With the help of performance test of reciprocating pump, the design for the spring was validated. An experiment-bed was also built to test the poppet valve's lift displacement. The testing results prove that the simulation was in a correct way.

设计了往复泵泵阀试验台；通过对往复泵进行性能测试，对不同弹簧预紧力下阀门升程进行了测定，验证了仿真结果的合理性。

A new way of exchange between rotation and reciprocating motion through planetary driving was introduced, which was different from the one realized by piton pump moving with cam, brace and link.

采用行星齿轮传动方式实现从旋转到直线的往复运动，不同于现有柱塞泵由凸轮、曲柄连杆或斜盘实现往复运动的方式，没有滑靴等高压力作用下高速滑移的元件。

This impulsion tool uses a high speed on-off valve to control to-and-fro motion of the distributing oil valve core, which impels the cylinder rod to-and-fro motion to form impulsion.

此冲击器采用高速开关阀控制配油阀的阀芯往复运动，从而促使活塞杆往复运动形成冲击的工作方案。

Pump valve s as the key part have an important effect on the performance of constant discharge reciprocating pumps.

泵阀是往复泵的关键部件，对恒流量往复泵的性能有着重要影响。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。