精密滚珠丝杠予压型bif2005-5rrg0+410lc5a,品牌thk 轴端未加工品 bif2005-5rrg0+290lc5-a bif1810-3rrg0+ 410lc5a bif1605e-2.5rrg0fm+705lc7 bif2510a-5rrg0+1442lc3(b) bif1605-5+220l bif2004-5+738l bif2005-5+480l bif2505-5+320l bif2505-5+340l+ek20+ef20 同系列的其他规格有bi...