tracelement

基本解释

• n.微量元素

同根派生

英汉例句

• Note: Tracel limits are divided into two kinds. One has two positions and another has four positions. Two-position actuators aresupplied as normal orders and four-position are supplied as special orders.
  注:阀门电动装置中的行程控制机构有二位置及四位置两种,正常供货为二位置,四位置需要特殊订货。