Standard Pneumetic Chisel是什么意思

网络释义

1)Standard Pneumetic Chisel,细扁凿2)pitching chisel,扁凿3)drove,flat chisel,平凿，扁凿4)cross cut chisel,扁尖凿5)plain drill,扁头凿子6)Flat Concrete Chisel,石矢扁凿