doublethread screw的意思|示意
美 / /
英 / /
双头螺纹螺杆
doublethread screw的网络常见释义
双头螺纹 双头刀开关.船舶词汇 11001-12000 ... double-suction pump ==> 双吸泵,双吸口泵 double-thread screw ==> 双头螺纹 double-threaded screw ==> 双纹螺钉 ...