半圆键 meaning in English

half round key, woodruff key
semi circular key
whitney key
woodruff-key

This system does not require the use of a woodruff key
这个系统并不需要使用一种半圆键
Mechanical transmissions . woodruff keys . dimensions and tolerances
机械传动.半圆键.尺寸和公差
Woodruff keys - normal form
普通型半圆键
Woodruff keys keyways
半圆键和键槽
Drive type fastenings without taper action ; woodruff keys , dimensions and application
不带键锥度的传动式紧固件.半圆键.尺寸和应用