单项选择题
A.overload B.load C.unload D.discharge
Some general cargo is handled by （）.A. shore cranesB. h...
单项选择题Some general cargo is handled by （）.
A. shore cranes B. heavy derricks C. containers D. equipment
Don’t stand （）the derrick.A.aboveB.topC.sideD.under
单项选择题Don’t stand （）the derrick.
A.above B.top C.side D.under
Don’t shift the （）as you like.A.guyB.blockC.anchorD.whe...
单项选择题Don’t shift the （）as you like.
A.guy B.block C.anchor D.wheel
