What is required by regulations concerning the stowage of lifeboats on cargo vessels?（）<br>A:Each lifeboat must have a launching appliance<br>B:Launching appliances must be of the gravity type<br>C:There may not be more than two launching appliances on the same deck<br>D:All of the above

What is required by regulations concerning the stowage of lifeboats on cargo vessels?（）
A:Each lifeboat must have a launching appliance
B:Launching appliances must be of the gravity type
C:There may not be more than two launching appliances on the same deck
D:All of the above

出自：海船船员证

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