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单选题
1229、 Transfer of hydraulic fluid between hydraulic system A and B is caused by improper operation of
1229、 Transfer of hydraulic fluid between hydraulic system A and B is caused by improper operation of
system controls or worn(坏的) equipment. 液压系统 A 和 B 之间的液压油转移是由于系统控制操作不当
或设备磨损造成的。
A
Uncontrolled system or old equipment cause hydraulic fluid flow from hydraulic system A to B.
B
If you fail to operate the system control properly or the equipment is damaged, the hydraulic fluid will betransferred between hydraulic system A and B.
答案解析
正确答案：B
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