在为各种非金属软管与硬管的联接上，提供了可靠的卡具。

The utility model provides a reliable clamping device for connection between various nonmetallic hoses and hard tubes.

youdao

在为各种非金属软管与硬管的联接上，提供了可靠的卡具。

The utility model provides a reliable clamping device for connection between various nonmetallic hoses and hard tubes.

youdao