piercing drill 中文意思是什麼
piercing drill
解釋
穿孔鉆-
Main applications : for piercing seamless steel tubes such as stainless steel, drill steel and high temperature alloy steel
用途:用於穿制不銹鋼、合金鋼和高溫合金等無縫管。如有特殊要求,可協商解決。
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