1、达底螺丝攻
... 轨路式砂纸磨机 orbital sander 达底螺丝攻 bottoming tap 闭孔；盲孔；不贯穿孔 blind hole ...
2、平底螺丝攻
bottoming tap 达底螺丝攻; 底丝攻, 完成丝攻; 平底螺丝攻; 平底丝锥; 三攻螺丝攻bottoming-out 经济衰退局面等降至最低点后即将复苏 .
3、精丝锥
... bottoming hand tap 底螺丝攻 bottoming tap 精丝锥 bound water 结合水 ...
4、三攻螺丝攻
... 仰视图bottom view 三攻螺丝攻bottoming tap 边界,边框boundary ...