button-head

常见例句

The injector button head must be unscrewed one half turn to open the internal valve before injecting grease.
在注入润滑油之前，注入器圆头螺栓必须拧松半圈，打开阀门内部部件通道。
While unscrewing the injector button head, a second wrench must be used to assure that the injector body is not loosened from the main valve.
在拧松注入器圆头螺栓时，要用第二个扳手固定住注入器，防止其从主阀门上松落下来。
Captured Hinge Pins - A simple button head screw captures all the outer hinge pins of the Ultima RB5.
抓获铰链销-一个简单的按钮头螺钉捕获所有外铰链销的最后rb5。
Our main products include self-drilling screw series (hex washer head, pan head, button head, hex flange head, etc.), drywall screws, chipboard screws, tapping screws, etc.
我公司产品为钻尾螺丝系列（六角华司头、盘头、钮扣头、喇叭头、六角法兰头、小仔头等），干壁钉、纤维板钉和自攻钉等自攻类螺丝。
Hexagon socket Button head screws
圆头内六角螺钉
She nestled her head on his shoulder.
她将头依偎在他的肩上。