The machine control circuit use all air quick coupling plug design, convenient and quick.

整机控制电路全部采用航空快速接头插接式设计，方便快捷。

The invention relates to a drilling machine which is mainly used for processing a plug part of a quick coupling.

本发明涉及一种钻孔机，其主要用于加工快速接头的插头部分。

The pipe quick coupling port structure has the advantages of high installation efficiency and high sealability in the coupling of such special pipes as straight pipes, bent pipes, T-joints and so on.

在直插管道与弯管、三通等异形管件的相互联接中，具有安装效率高、密封性能好的优点。

After coupling quick disconnect coupling, pull on hose to insure that a proper connection is made before releasing hose.

当连接好快拆接口后，在放开软管前，应试拉软管以确保正确牢固。

Quick change coupling nut and link set of Jane can quickly reset and change.

快换连接螺母和链接套简可以快速的复位和改变。