单项选择题
A.exceeded B.overloaded C.overtaken D.loaded
（）(摆动)the derrick to shore side.A.TopB.LowerC.SwingD.Ad...
单项选择题（）(摆动)the derrick to shore side.
A.Top B.Lower C.Swing D.Adjust
When the derrick is stopped, the guy must be （）(收好).A.t...
单项选择题When the derrick is stopped, the guy must be （）(收好).
A.taken in B.slacked off C.adjusted D.stowed
When the derrick is topped, the guy must be （）(放松).A. s...
单项选择题When the derrick is topped, the guy must be （）(放松).
A. slacked off B. sent away C. sent out D. taken in
