There is no power for the （）.A、derrickB、winchC、blockD、heavy derrick
There is no power for the （）.
- A、derrick
- B、winch
- C、block
- D、heavy derrick
相关考题：
The （）(双杆联吊) is that two booms are used with a single hook.A、derrickB、union purchaseC、topping lift blockD、crane
请把吊杆甩到舱口上方好吗？（）A、Will you please swing the heavy derrick over the hatch?B、Will you please swing the derrick over the hatch?C、Will you please lower the derrick over the hatch?D、Will you please top the heavy derrick over the hatch?
The（）(千斤索) is a wire used to take the weight off.A、light derrickB、union purchaseC、topping liftD、heavy derrick
This （）was repaired in Singapore.A、damaged derrickB、damaging derrickC、derrick to be damagedD、derrick
The （）(千斤滑车) can run the gooseneck.A、heavy derrickB、pulley blockC、topping lift blockD、guy tackle
我们的重吊杆已经长时间不用了。（）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.
重吊杆用于吊大的重件。（）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.
这个吊杆的安全工作负荷是6吨。（）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.
单选题这个吊杆的安全工作负荷是6吨。（）AThe SWL of the derrick is five tons.BThe SWL of the heavy derrick is six tons.CThe SWL of the derrick is six tons.DThe SWL of the crane is six tons.
单选题重吊杆用于吊大的重件。（）AHeavy derrick is used for lifting large heavy cargo.BDerrick is used for lifting large heavy cargo.CHeavy derrick is used for lifting dry bulk cargo.DDerrick is used for lifting dry bulk cargo.
单选题请把吊杆甩到舱口上方好吗？（）AWill you please swing the heavy derrick over the hatch?BWill you please swing the derrick over the hatch?CWill you please lower the derrick over the hatch?DWill you please top the heavy derrick over the hatch?
单选题Our heavy derrick has been （）(不用)for a long time.Aout of orderBout of dateCout of dangerDout of use