A.2%
B.5%
C.10%
D.15%

A.10%
B.20%
C.50%
D.75%

A.液压元件型式
B.供油方式
C.管线连接方式
D.油箱型式

A.15%
B.25%
C.35%
D.50%

A.越大
B.越小
C.不变
D.不确定

A.4°
B.9°
C.18°
D.32°

A.90%
B.95%
C.100%
D.110%

A.70%
B.75%
C.80%
D.90%

A.0.1ms
B.0.2ms
C.0.25ms
D.0.5ms

A.平板没提起
B.导柱缺少润滑
C.气路漏气
D.系统没升压