题目内容

Pressureinahydraulicsystemisgeneratedby()toflow.

A. acceptance
B. immunity
C. resistance
D. compliance

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()ispreferedtobeusedinacar'senginelubricationsystem.

A. Gearpump
B. Vanepump
C. Pistonpump
D. Screwpump

()areusedinhighpressureapplications.

A. Gearpumps
B. Vanepumps
C. Pistonpumps
D. Alloftheabove

Loadcreatespressureonthesystem.

A. 对
B. 错

为了防止过度训练，每周训练量的增加不超过()。

A. 5%
B. 6%
C. 8%
D. 10%