单词base-metal
n.: 碱金属
贱金属:
a metal, for example iron or lead , that is not a precious metal such as gold
碱金属
The announcement triggered a brief rally in the base metal sector in London and Shanghai, sending tin prices up to 10 per cent higher.
这一消息引发伦敦和上海贱金属板块的价格短暂攀升，其中锡价一度上涨10%。
She was holding a teaspoon in her two hands, pressing her thumbs against it as if measuring her strength against the base metal.
她双手拿着一个茶匙，用拇指使劲按着它，好象同这块普通金属较量力气似的。
The surface condition (roughness) of corrosion test sample has a pronounced influence on the pitting resistance of the base metal.
腐蚀试样的表面状态（粗糙程度）对母材金属的耐点蚀性能有明显的影响。
Most of the heat affected zone retained original structure characteristics of the base metal, and only a fraction of the zone remelted.
热影响区大部分保留了母材的原始组织特征，小部分区域发生了重熔。
Fibrous processing marks remain in the heat-affected zone (HAZ) with part of precipitated solid phase solved into the base metal.
热影响区内，仍可见纤维状加工痕迹，部分析出相固溶到基体中；
cross , religious, of base metal, whether or not plated with precious metal to be worn on the person.
宗教十字架，贱金属制，无论是否镀有贵金属，随身佩戴。
The conclusions show that the tensile strength of joint is not less than base-metal"s, providing with fine ductility.
结果表明，接头的抗拉强度不低于母材，而且塑性良好。
The microhardness is higher and grain size is smaller in weld bead zone, compared with the heat-affected zone and base metal.
相对母材和热影响区，焊缝的晶粒明显细小，显微硬度比热影响区和母材稍高。
Solid state and can be divided into a total resin and base metal.
不液态的又可以分为残树脂和有金属版基两栽。
The hardness of fusion zoon higher weld joint and lower base metal The hardness have no change at fusion depth direction.
焊缝硬度大于母材但小于熔合区硬度，沿熔深方向硬度没有明显变化。