单项选择题
The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the（）.
A.riding pawl B.devil's claw C.buckler plate D.spill pipe
单项选择题 The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.
单项选择题 The objective of shoring a damaged bulkhead is to（）.
单项选择题 The main function of the drawworks on a ship is to（）.
