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902大副航海英语题库光盘翻译版_部分5
68. The latch 插销,弹簧锁of a safety hook ______.A.Increases the strength of the hook//B.Prevents the sling ring from&nbs...
68. The latch 插销,弹簧锁of a safety hook ______.A.Increases the strength of the hook//B.Prevents the sling ring from&nbs...