Mechanical seal design is key to the damage of damping function due to the loss of working liquid of hydraulic shock absorber.

为了防止液压减振器因工作液的损失而丧失阻尼效能，其机械密封结构的设计是重要问题。

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The unit for controlling and assigning working liquid takes the filtered mud as the working liquid distributed in three mud pipes in turn.

同时，旋转导向钻井工具接收由地面发出的指令，并通过稳定平台单元调控工作液来控制分配单元中的上盘阀高压孔的位置。

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The invention regulates the speed and time of the working liquid entering in the working cavity, thus achieving the delay starting effect, meeting the usage demand of large inertia machine.

本发明通过流量调节阀控制调节进入工作腔内的工作液体的速度和时间，从而达到了延时启动的效果，满足了大惯量的机械使用需求。

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Moreover, since the resulting interference pattern also depends on the waves' frequency, the same array can concentrate SAWs in different ways at different frequencies, working the liquid sample in different ways.

ECONOMIST: Acoustic microfluidics

Popular at first as a working-class liquid lunch, the style took on the name of its barrel-schlepping fans: porter.

WSJ: Porters Get Fresh | Half Full

It works for solid waste collection, and it is working in a limited capacity with liquid waste collection.

NPR: Space Toilet Awaits Repair Mission