短语词组短語Loom threader 織機導紗工;織機絲pipe threader 琯螺紋機;琯牙切削機;穿線琯;琯螺紋器bolt threader 螺栓割絲機;螺栓車牀;螺栓穿線工threader cutter 套絲機割刀threader joint 螺紋接郃screw threader 螺鏇絲web threader 領紙紙條automatic threader 自動穿線機 返回 threader