A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.<br>A:riding pawl<br>B:buckler<br>C:devil's claw<br>D:locking ring

A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
A:riding pawl
B:buckler
C:devil's claw
D:locking ring

出自：海船船员证

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