单词	directed quantity
释义	directed quantity 有向量
随便看	steam to-steam heat exchanger steam-to-water preheater steam to-water preheater steam towing winch steamtown steamtowns steam trace steam trace heating steam tracing steam tracing line steam traction steam tractor steam-train steam train steam-trains steam trains steam transformer steam trap steam-trap steam trap connection steam trap (expansion type) steam trap (float and thermostatic type) steam trap (impulse type) steam trap (inverted bucket type) steam trap of float type 反戈一击反戈相向反手可得反攻倒算反朴归真反朴还淳反正拨乱反正还淳反水不收反求诸己生脸儿生色生色精生花之笔生荒生荒地生荣死哀生药生菜生虎子