擋(dǎng)圈(quān)又稱卡(kǎ)簧,分為孔用(yòng)擋(dǎng)圈和軸(zhóu)用(yòng)擋圈(quān),起軸向限位作(zuò)用,可(kě)...
冀(jì)公網安(ān)備 13098102001621号(hào)