常見例句雙語例句MOVABLE CONTACT: Beryllium copper alloy, gold over nickel plate.游動聯(lián)系人:鈹銅合金,鍍鎳板。blog.sina.com.cnBeryllium copper Alloy and Castings Components, Characteristics:①Able to cast small pins of glasses frame;鈹銅合金眼鏡鑄件,產品特點:①絲通及其螺絲鑄造成型;The influences of rare earth on beryllium copper alloy are in close relationship with its addition quantity.稀土對合金的作用與加入量有直接關系,過多與不及都不好。 返回 beryllium alloy