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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。
参考答案
更多 “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。” 相关考题
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单选题（）is the disadvantage for air transportation?A
Quick but not safeB
Less frequencyC
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the highest cost in all transport modes
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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
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rigging a back stayB
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decreases as the boom's angle to the horizontal decreases
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Topping lift failuresC
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