单项选择题
Send the headline down to 2 meters above water. （）
A.把头缆送到离水面2米。 B.把水上的头缆挪前2米。 C.把水中的头缆挪前2米。 D.把头缆往水中挪前2米。
单项选择题 We will let go both anchors with three shackles and dredge them. （）
单项选择题 When you are sure that the weight of the anchor is held by the brake ,take the windlass out of gear. （）
单项选择题 Upon getting the order ,can I lower the anchor until it is clear of hawse pipe ? （）
