问题
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When the order _____ is received from the bridge, the main air stop valve in the starting air line should be shut.
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Air trapped in the hydraulic fluid of a steering system should be indicated by _____.
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When occurring a fire in the scavenge air box, the following measures should be taken except for .
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When installing rings on a diesel engine piston, you should check the ring_.A.diametrical
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When sending emails to professionals, you should take the time to check your message
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Before signing the delivery note, you should check that the consignment is complete. W
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