drawn steel

英 美
  • 拉制钢,冷拉钢
  • drawn adj.憔悴的动词draw的过去分词形式.
  • steel n.钢铁;钢制品;钢铁般的性质vt.使坚强;使...硬如钢;使下定决心adj.钢的;坚强的
    1. The non-potable water expansion tank shall be of drawn steel construction.It shall have a Butyl diaphragm separating the air chamber from the water containing chamber.
      非饮用水膨胀罐应该采用拉制钢结构,应该采用丁基合成橡胶隔膜将气体腔与水腔隔离开来。