1.
HOW TO PULL THE HOIST ROPE OF GUY TYPE DERRICK CRANE MODERATELY AND IN AN INCLINED ANGLE WITH A DRAG ROPE
有牵引绳的缆绳式桅杆起重机起升绳适度斜拉的探析
2.
light mast crane
轻型桅杆式转臂起重机
3.
stiffleg derrick
固定支架桅杆式起重机
4.
derrick ,ship's (excl. floating), not self-propelled
非自动船用桅杆起重机（浮式起重机除外）
5.
crane ,derrick (excl. floating cranes, crane lorries and railway rolling-stock), self-propelled
自动桅杆起重机（浮式起重机、起重运货汽车及铁路流动托架除外）
6.
crane ,derrick (excl. floating cranes, crane lorries and railway rolling-stock), not self-propelled
非自动桅杆起重机（浮式起重机、起重运货汽车及铁路滚动托架除外）
7.
That includes the installation of windlasses, winches, bollards, fireleads, masts, deck cranes, vent pipes and different kinds of rigging.
包括以下部件的安装：锚机，绞车，带缆桩，导缆孔，桅杆，甲板起重机，通风口和各种索具。
8.
Lifting appliances--Vocabulary--Derrick cranes
GB/T6974.11-1986起重机械名词术语桅杆起重机
9.
gin pole type concrete spouting plant
起重桅杆式混凝土灌注设备
10.
gantry crane with rope trolley
绳索小车门式起重机
11.
A ring or collar of rope used to hoist spars or prevent fraying.
索环一环或一圈绳子,用来升起桅杆或防止磨损
12.
a machine for hoisting and moving heavy objects by means of cables attached to a movable boom.
起重机:一种用连在活动架上的缆绳举起和移动重物的机器.
13.
Technical features of luffing cable crane
摆塔式缆索式起重机塔架的技术特性
14.
new mechanical bumper jack
新式机力保险杆起重器
15.
Sailors hove up the cable with windlass or capstan.
水手们用绞盘或起锚机把缆绳拉起来。
16.
the mast next above a lower mast and topmost in a fore-and-aft rig.
紧靠低桅杆并在纵向绳索的顶部的桅杆。
17.
The hook and rope of a crane can be regarded as a pendulum that is drived by slewing motion and derricking motion and cause sway.
起重机这类起重运输设备的吊钩缆绳可以看作受大车、车运动驱动的机械摆,会产生摆振。
18.
A rope or rod running vertically on the forward side of the mast on which the yard moves.
帆桅支索，纵竖索杆在桅杆前面垂直运动的绳或杆，帆桁在此上移动