locking key
·2,447,543篇论文数据，部分数据来源于NoteExpress
在逆止器的轴端孔内通过胀套和双平键与从 动轴连接；
The inner part of a shaft end hole of the backstop is connected with a driven shaft through an expansion bush and a double flat key;
youdao
应用推荐
模块上移
模块下移
不移动