联轴器的英文：
(shaft) coupling
(rotating)joint
coupler
junction box
joint slack
clutch
n. 升降机井，通风井，（高尔夫球棒等的）杆
Shaft snap ring in groove on shaft.
将轴承及护脂毡圈紧靠在卡环上。
brake shaft step brace
手制动轴承拉条
Remove a shaft nut and washer.
取下主轴螺帽和垫圈。
n. 耦合；联结
v. couple的现在分词形式
bayonet coupling
卡口式联结
It is not every couple that is a pair
成双并非皆配偶
Every couple is not a pair
同床异梦,貌合神离
adj. 旋转的
v. [rotate] 的现在分词形式；旋转，轮流
The crankshaft makes three rotations for each rotation of the rotor.
转子每转一周，曲轴转3周。
eddy current rotating brake
涡流旋转制动机
There will have to be a more defined playing rotation.
必须要有一个更详细的比赛轮转计划。