The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.()
第1题:
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system ________.
A.Guy
B.Shroud
C.Spider
D.Topping lift
第2题:
The jumbo boom can ().
第3题:
The ()(笨重货) must be handled by jumbo boom or shore crane.
第4题:
A ()(重吊杆)is used for lifting long heavy cargo.
第5题:
What is the disadvantage for air transportation? ()
第6题:
Quick but not safe
Less frequency
It can’t lift heavy goods
the highest cost in all transport modes
第7题:
awkward cargo
drummed cargo
cased cargo
heavy cargo
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:
increases as the boom's angle to the horizontal increases
is at a maximum when the boom is at a 45° angle to the horizontal
increases as the boom's angle to the horizontal decreases
decreases as the boom's angle to the horizontal decreases
第11题:
lift heavy cargo
load and unload
join ropes together
lift light cargo
第12题:
Guy failures
Topping lift failures
Bending of the boom from compression
Gooseneck failure
第13题:
jumbo boom()
第14题:
A ()is used for lifting long heavy cargo.
第15题:
The ()(重吊杆) can lift heavy cargo.
第16题:
起重机()
第17题:
()is the disadvantage for air transportation?
第18题:
lift
rise
elevate
hoist
第19题:
重吊杆
吊杆
桅杆
桅梯
第20题:
heavy cargo derrick
heavy deck
jumbo boom
heavy block
第21题:
We dismantle the jumbo boom twice a voyage.
We dismantle the derricks once a voyage.
We examine the derricks once a voyage.
We dismantle the heavy derricks once a voyage.
第22题:
Quick but not safe
Less frequency
It can’t lift heavy goods
The highest cost in all transport modes
第23题:
lift
rise
elevate
hoist