One hour before sailing, the duty engineer and officer should check （）<br>A:tachometer and engine telegraph<br>B:oil and water reserves<br>C:clock and engine telegraph and test the rudder<br>D:crews

One hour before sailing, the duty engineer and officer should check （）
A:tachometer and engine telegraph
B:oil and water reserves
C:clock and engine telegraph and test the rudder
D:crews

出自：海船船员证

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