流体机械的英文：
fluid machinery

The flow of fluid is steady.
液体的流动很稳定。

cultivate bacilli in fluid
在液体中培养细菌

The fluid evaporates, and the body is cooled.
体液一蒸发，身体就凉快。

The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.
内渗透一种液体透过可渗透膜流向另一种浓度比它高的液体的内部流动

I like the fluid motion of a cat.
我喜欢猫的优美动作。

The firm indented for new machinery.
这家公司用订货单订购新机器。

Much machinery has been bought.
已经购买了许多新装置。

consultative machinery at personal level
个人层面的咨询架构；个人层面的咨询制度

The machinery of democracy could be created quickly.
民主机构可以迅速建立起来。

the act of constructing something (as a piece of machinery).
建造某物（作为机械装置的一部分）的活动。