The （）(重吊杆) can lift heavy cargo.

A、heavy cargo derrick

B、heavy deck

C、jumbo boom

D、heavy block

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更多“The （）(重吊杆) can lift heavy cargo.”相关的问题

第1题

[单选题] The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）

A、重吊杆吊重货和集装箱货。 B、龙门吊能起吊重件货，重吊杆能起吊集装箱。 C、重吊杆能起吊重件货，龙门吊能起吊集装箱。 D、龙门吊吊重货和集装箱货。

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第2题

[单选题] The parts of the derrick are: derrick boom rest, gooseneck, center guy, stay, topping lift, topping lift block and so on.（）

A、吊杆的部件有：吊杆支架、鹅颈头、中心稳索、支索、千斤索和千斤索滑车组等。 B、吊杆的部件有：鹅颈头、中心稳索、千斤索、侧稳索、千斤索滑车组和支索等。 C、吊杆的部件有：中心稳索、侧稳索、吊杆支架、鹅颈头、千斤索、和千斤索滑车组等。 D、吊杆的部件有：侧稳索、中心稳索、鹅颈头、吊杆支架、千斤索、和千斤索滑车组等。

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第3题

[单选题] 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.

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第4题

[] Any friction fit, tightness or adhesion of the part of any load being lifted should be broken by wedge or tapping and not by increasing the load on the applianceAccording to this sentence, （）

A、A.the lifting appliance can always lift the freight within its rated load B、B.attention should be paid in order not to break the wedge when lifting cargo C、C.sometimes the lifting work needs other assistance other than the lifting appliance D、D.lifting work should be done with every part fit, tightness or adhesion