The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.<br>A:limit switches<br>B:emergency disconnect switch<br>C:governor brake<br>D:position of the counterweight on the brake handle

The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
A:limit switches
B:emergency disconnect switch
C:governor brake
D:position of the counterweight on the brake handle

出自：海船船员证

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