A、GT
B、SWL
C、DWT
D、TDW
更多“The （）of the derrick is 5 tons.”相关的问题
A、The SWL of the derrick is five tons. B、The SWL of the heavy derrick is six tons. C、The SWL of the derrick is six tons. D、The SWL of the crane is six tons.
A、get rid of the garbage B、fill the ballast water C、repair the derrick D、adjust the derrick
A、Sailors should know the SWL of cranes on board their ship. B、Sailors should know the SWL of derricks on board their ship. C、Officers should know the SWL of derricks on board their ship. D、Officers should know the SWL of cranes on board their ship.
A、A. Lower the derrick, please. B、B. Top the derrick, please. C、C. Swing the derrick, please. D、D. Adjust the derrick, please.
A、A. Will you please swing the heavy derrick over the hatch? B、B. Will you please swing the derrick over the hatch? C、C. Will you please lower the derrick over the hatch? D、D. Will you please top the heavy derrick over the hatch?
A、Please have the damaged derrick readjusted. B、Please have the damaged derrick repaired. C、Please have the damaged derrick painted. D、Please have the damaged derrick brushed.
A、A. When the derrick is stopped, the guy must be stowed. B、B. When the derrick is stopped, the guy must be topped. C、C. When the derrick is stopped, the guy must be lowered. D、D. When the guy is stopped, the derrick must be stowed.
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