A、我们的重吊已经失控了。
B、我们的重吊出故障了。
C、我们的重吊已经不用了。
D、我们的重吊过期了。
更多“Our heavy derrick has been out of use.（）”相关的问题
A、Our derrick has been out of use for a long time. B、Our heavy derrick has been out of use for a long time. C、Our crane has been out of use for a long time. D、Our winch has been out of use for a long time.
A、Heavy derrick is used for lifting large heavy cargo. B、Derrick is used for lifting large heavy cargo. C、Heavy derrick is used for lifting dry bulk cargo. D、Derrick is used for lifting dry bulk cargo.
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、Containers are loaded and discharged by gantry cranes. B、Cases are loaded and discharged by gantry cranes. C、Cases are loaded and discharged by heavy derricks. D、Containers are loaded and discharged by heavy derricks.
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