重吊杆吊重货和集装箱货。
龙门吊能起吊重件货,重吊杆能起吊集装箱。
重吊杆能起吊重件货,龙门吊能起吊集装箱。
龙门吊吊重货和集装箱货。
第1题:
The jumbo boom can ().
第2题:
The ()(浮吊) can float on water used to load and unload the cargo.
第3题:
Heavy cargo might break ()cargo, so it can’t be stowed on top of it.
第4题:
The ()(重吊杆) can lift heavy cargo.
第5题:
A ()can give power to hoist or lower cargo.
第6题:
()is the disadvantage for air transportation?
第7题:
lift
rise
elevate
hoist
第8题:
重吊杆吊重货和集装箱货。
龙门吊能起吊重件货,重吊杆能起吊集装箱。
重吊杆能起吊重件货,龙门吊能起吊集装箱。
龙门吊吊重货和集装箱货。
第9题:
rigging a back stay
raising the boom
increasing the mechanical advantage of the cargo purchase
taking all slack out of the preventer
第10题:
Quick but not safe
Less frequency
It can’t lift heavy goods
The highest cost in all transport modes
第11题:
lift
rise
elevate
hoist
第12题:
the slewing motor
the luffing motor
the hoisting motor
none of the above
第13题:
The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.()
第14题:
A ()is used for lifting long heavy cargo.
第15题:
The ()(笨重货) must be handled by jumbo boom or shore crane.
第16题:
A ()(重吊杆)is used for lifting long heavy cargo.
第17题:
What is the disadvantage for air transportation? ()
第18题:
Quick but not safe
Less frequency
It can’t lift heavy goods
the highest cost in all transport modes
第19题:
awkward cargo
drummed cargo
cased cargo
heavy cargo
第20题:
heavy cargo derrick
heavy deck
jumbo boom
heavy block
第21题:
principle
medium
instruction
voltage
第22题:
lift heavy cargo
load and unload
join ropes together
lift light cargo
第23题:
The discharge is slow due to the size of the cargo and all the cranes working together
The cargo discharge can be accomplished with controlled pendulation
The cargo discharge can be performed in port or at anchor
The cranes enable the handling of heavy cargos without shoreside assistance
第24题:
Guy failures
Topping lift failures
Bending of the boom from compression
Gooseneck failure