adjustable pin

"长度单位_馆档网 ... "可调式螺旋母"," adjustable nut" "可调式插梢"," adjustable pin" "可调板"," adjustable plate" ...

机械词典大全... ... adjustable lifting beam； 可调起重梁 adjustable pin； 可调销轴 adjustable relief valve； 可调安全阀 ...

时尚手表，石英手表，怀表，礼品表，合金表... ... 啤把钉 tappered pin 拆生钉 adjustable pin 中珠 side link ...