root groove 中文意思是什麼

root groove 解釋
根部坡口
  • root : n 魯特〈姓氏〉。n 1 (草木、毛發等的)根;根菜,食用菜根;根莖,地下莖;塊根;有根植物,草木,草...
  • groove : n 1 槽,溝;車轍;溝紋,紋道。2 常規,成規,慣例。3 最佳狀態,得心應手的狀態;使人愉快的東西,適...
  1. 5 all single - sided groove joints in nickel alloys, stainless steel and ferritic alloys containing more than two ( 2 ) percent chromium shall be welded using a gas tungsten - arc root pass with an inert gas back purge

    鉻含量超過2 %的鎳合金、不銹鋼和鐵素體合金的單面坡口焊道用鎢極氣體保護焊,其根部焊道用惰性氣體反吹。
  2. 4 double - welded groove joints shall have their root passes back gouged to sound metal on the reverse side before proceeding with welding on that side

    雙面焊接的坡口焊道,應在焊接前將該面底部焊道逆向刨削,直到其對面露出完好的金屬。
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