The ()(千斤滑车) can run the gooseneck.
第1题:
The jumbo boom can ().
第2题:
The ()(双杆联吊) is that two booms are used with a single hook.
第3题:
A ()is at the end of the cargo runner for picking up the load.
第4题:
顶部滑车()
第5题:
双层底()
第6题:
起重机()
第7题:
()is the disadvantage for air transportation?
第8题:
Quick but not safe
Less frequency
It can’t lift heavy goods
the highest cost in all transport modes
第9题:
heavy derrick
pulley block
topping lift block
guy tackle
第10题:
collar band
guy band
pad eye collar
spider band
第11题:
Quick but not safe
Less frequency
It can’t lift heavy goods
The highest cost in all transport modes
第12题:
heavy cargo derrick
heavy deck
jumbo boom
heavy block
第13题:
A ()is used for lifting long heavy cargo.
第14题:
The()(千斤索) is a wire used to take the weight off.
第15题:
The parts of the derrick are: derrick boom rest, gooseneck, center guy, stay, topping lift, topping lift block and so on.()
第16题:
The ()(重吊杆) can lift heavy cargo.
第17题:
There is no power for the ().
第18题:
What is the disadvantage for air transportation? ()
第19题:
葫芦吊()
第20题:
rigging a back stay
raising the boom
increasing the mechanical advantage of the cargo purchase
taking all slack out of the preventer
第21题:
a fairlead block
a swivel pin for the topping lift block
a triangular steel plate with a hole at each corner
the lower block of a multiple part topping lift
第22题:
千斤索
定位滑车
稳索
千斤顶
第23题:
Bale
Spanner wire
Bull line
Working guy