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Q345Bスチールパイプ研磨方法がよく使用されます研磨とは、機械的、化学的、または電気化学的、または電気化学の作用による処理方法を意味し、Q345B鋼管表面の粗さを低下させ、明るく滑らかな表面を得るために、柔軟な研磨ツールを使用して表面修飾プロセスを得ることを意味しま
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.