單項選擇題

Overflow valve is used to （）

A.control the fluid flow through it
B.prevent the pressure before it over the specified valve
C.make the pressure after it steady
D.control the direction of oil flow

你可能感興趣的試題

單項選擇題

Hydraulic control check value is generally used to （） in the marine hydraulic mechanism.

A.control the back pressure of return oil
B.lock the oil lines under some conditions
C.change the direction of oil flow
D.act as relief valve

單項選擇題

Check value is used to control （）

A.direction of oil flow
B.back pressure of return oil
C.bypass of filter
D.high pressure overflow

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

Overflow valve is used to （）

你可能感興趣的試題

Hydraulic control check value is generally used to （） in the marine hydraulic mechanism.

Check value is used to control （）