spiral reamer
... spiral propeller 螺旋推进器 spiral reamer 螺旋槽铰刀 spiral spring 螺旋形弹簧 ...
spiral cut reamer
... spiral cut reamer 螺旋槽铰刀 spiral fluted reamer 螺旋槽铰刀 conical spiral fluted reamer 锥形螺旋槽绞刀 ...
spiral fluted reamer
... spiral cut reamer 螺旋槽铰刀 spiral fluted reamer 螺旋槽铰刀 conical spiral fluted reamer 锥形螺旋槽绞刀 ...