light derrick
union purchase
topping lift
heavy derrick
第1题:
topping lift()
第2题:
The()(千斤索) is a wire used to take the weight off.
第3题:
千斤索张力的大小与()有关。
第4题:
decreases the size of the line
should be used if the line is going through a block
should only be used in wire rope
doubles the size of the line
第5题:
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。
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。
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。
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。
第6题:
Six by seven galvanized wire rope
Six by twenty-four improved plow steel wire rope
Six by thirty-seven preformed fiber-core wire rope
Six by nineteen regular-lay filler wire rope
第7题:
千斤索
定位滑车
稳索
千斤顶
第8题:
mallet used when splicing wire rope
sharp pointed crow bar used to unlay wire rope
tapered steel pin used to separate wire rope
tapered wooden pin used when splicing heavy rope
第9题:
上稳索;
千斤索;
下稳索;
中盖(中稳索)。
第10题:
②、③
①、③
①、②
①、②、③
第11题:
bitt
bollard
capstan
cleat
第12题:
千斤索
下稳索
中盖(中稳索)
上稳索
第13题:
Finally, a wire brush should be used on all bare ()to remove the last of the scale.
第14题:
A ()(钢丝刷) should be used on all bare metal to remove the last of the scale.
第15题:
V型重型吊杆左右、上下移动是控制()松紧来达到目的的。
第16题:
Come along
Jigger
Rigger's screw
Sealing clamp
第17题:
稳索
千斤索
稳索千斤索
第18题:
covering wire or fiber rope
forcing fids into a line
dogging hatches
splicing lines
第19题:
I‘ll take your advice
Let me see
Never mind
I‘m afraid so
第20题:
Factor of safety
Number of wires per strand
Number of strands per wire rope
Number of wires in the core
第21题:
Fiber core rope offers greater strength
Fiber core rope offers greater flexibility
Fiber core rope can be used at higher operating temperatures
Fiber core rope is the only type authorized for cargo runners
第22题:
千斤索;
桅杆稳索;
吊杆稳索;
调节牵索。
第23题:
pelican hook
connecting link
shackle
retaining hook
第24题:
随吊杆长度与吊杆承座至千斤索眼板座之间高度比值的增大而变大
随吊杆长度与吊杆承座至千斤索眼板座之间高度比值的减小而变大
随千斤索长度与吊杆承座至千斤索眼板座之间高度比值的增大而变大
随千斤索长度与吊杆承座至千斤索眼板座之间高度比值的减小而变大