Anchor shackles should have a breaking strength that is（）.<br>A:equal to the chains they are connecting<br>B:25% more than the chains they are connecting<br>C:50% more than the chains they are connecting<br>D:100% more than the chains they are connecting

Anchor shackles should have a breaking strength that is（）.
A:equal to the chains they are connecting
B:25% more than the chains they are connecting
C:50% more than the chains they are connecting
D:100% more than the chains they are connecting

出自：海船船员证

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