baser metal

• Tools , implements , cutlery , spoons and forks of base metal ; parts thereof of base metal
  卑金属制工具、器具、利器、匙、叉及其卑金属零件
• This was helped by a weak dollar , high oil prices and a rally in base metals
  另外，美元的疲软、油价的居高不下、和贱金属的价格反弹都促使金价的飙升。
• Dentistry - base metal materials for fixed dental restorations iso 16744 : 2003 ; german version en iso 16744 : 2003
  牙科学.固定的牙齿修复用基本金属材料
• Dental base metal casting alloys - part 1 : cobalt - based alloys iso 6871 - 1 : 1994 ; german version en iso 6871 - 1 : 1996
  牙科金属基铸造合金.第1部分:钴基合金
• Dental base metal casting alloys - part 2 : nickel - based alloys iso 6871 - 2 : 1994 ; german version en iso 6871 - 2 : 1996
  牙科贱金属铸造合金.第2部分:镍基合金
• Standard specification for compacted mineral - insulated , metal - sheathed , base metal thermocouple cable
  压实的矿物绝缘金属铠装基底金属热电偶电缆的标准规范
• 8 temporary backing bars and temporary rings must match the chemical composition of the base metal being welded
  临时支杆和箍必须与相焊的母材金属的化学成分匹配。
• After welding is complete , they shall be removed flush with the base metal without undercutting
  焊接完成后，应清除这些临时部件至与母材金属表面齐平，不得出现咬边。