Before doing any work on a hydraulic system equipp
Before doing any work on a hydraulic system equipped with accumulators, you should
A.drain the accumulators and purge with oxygen
B.bleed off all stored energy from the accumulators completely
C.charge the accumulators to prevent system energy loss
D.pump the hydraulic fluid into the accumulators to prevent fluid loss
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参考解答
493***779
2024-06-14 21:25:51
正确答案：B
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