题目内容
The liquid have two flow state in the pipeline, viscous force play a leading role for _______ flow, inertial force play a leading role for __________. The liquid flow state can be judged by ______________.
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In pneumatic transmission, F.R.L is short for the combination of __________, _____________ and ______________.
Similar to hydraulics, the pneumatic actuators are divided basically into two categories:___________ and ___________.
____________ actuator has similar construction like a Vane motor with a limited turning angle, rotating angle between 45 and 270 degrees.
A pneumatic system incorporates the following components and devices: (1)_________________, (2) _____________, (3)_______________, and (4)_________________.
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