单项选择题
A. closed B. opened C. handled D. opened and closed
Don’t operate two or more ()(舱盖)at the same time.A.caps...
单项选择题Don’t operate two or more ()(舱盖)at the same time.
A.caps B.levers C.hatch covers D.hatches
lead block()A.滑车B.导向滑车C.千斤索D.底脚滑车
单项选择题lead block()
A.滑车 B.导向滑车 C.千斤索 D.底脚滑车
outboard guy()A.稳索B.外牵索C.顶索D.支索
单项选择题outboard guy()
A.稳索 B.外牵索 C.顶索 D.支索