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09720250012机械.设备.工程000002孩子初中,帮做一个机器小车,参加中学生比赛,有图纸,有偿!也有3d建模,具体可加我0#滚珠丝杠#往复丝杠#梯形丝杠#滚珠丝杆C-BSSTH/BSSTHK/BSSCH/BSSCHK1505 1510 1516 1520 3232 不锈钢角接触P5镀铬 特殊定 老厂品质 价低 随时在 C-BSSTH1205 现货螺母3-7天发价问 C-BSSTHK1210 现货螺母3-7天发价问 C-BSSCH1205 现货螺母3-7天发价问 C-BSSCHK1205 现货螺母3-7天发价问 C-BSSTH1210 现货螺母3-7天发价问 C-BSSTH1505 C-BSSTH1510 C-BSSTH1516 C-BSSTH1520 C-BSSTHK1205 C-BSSTHK1505 C-BSSTHK1510 C-BSSTHK1516 C-BSSTHK1520 C-BSSCH1210 C-BSSCH1505 C-BSSCH1510 C-BSSCH1516 C-BSSCH1520 C-BSSCHK1210 C-BSSCHK1505 C-BSSCHK1510 C-BSSCHK1516 C-0