单选题The latch of a safety hook（）.Aincreases the strength of the hookBprevents the sling ring from coming out of the hook if the strain is abruptly easedCprevents the sling ring from coming out of the hook if there is a strain on the sling ringDAll of the above
单选题
The latch of a safety hook（）.
A
increases the strength of the hook
B
prevents the sling ring from coming out of the hook if the strain is abruptly eased
C
prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D
All of the above
参考解析
解析：
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相关考题：
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