Cut cured concrete pipe sections with saw or chisel, and cement sections together to form odd shaped fittings.
用锯子或凿子一起切割固化混凝土管段以及水泥部分，形成奇形接头。
What is a copper chisel paper-cut?
什么是铜凿剪纸？
Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.
切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。
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