hand movement

英 美
  • 手动(视力检查)
    1. Mushroom outlet closing and opening by hand to be inspected.
      菌形风头手动启闭试验。
    2. Water is fed into the boiler by a hand pump and an injector.
      水靠著手动帮浦和注水器被注入锅炉。

hand movement的相关资料: