foot valve

英 美
  • 脚踩阀
  • foot n.脚;英尺;最底部;音步v.表演舞步;步行;付账;踏;共计
  • valve n.瓣膜;真空管;阀门;电子管
    1. He put his great foot on the flowerbed.
      他的大脚踩在花坛上。
    2. She often has a foot in both camps.
      她经常脚踩两只船。
    3. Foot valves are normally installed in an open tank or sump on the suction side of a pump.
      通常底阀是安装在一个开口罐里,或泵的吸入一侧的液体坑里。