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573.Transfer of hydraulic fluid between hydraulic system A and B is caused by improper operation of system controls or worn equipment( )

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 be transferred

between hydraulic system A and B.
C
 Flow of hydraulic fluid between hydraulic system A and B result in accidental operation of system controls or damaged equipment.

答案解析

正确答案:B
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