bulb forms

英 美
  • 菌丝球体
  • bulb n.球茎;电灯泡;球状物
  • forms n.表格;形式;年级名词form的复数形式.
    1. The fluctuation ball ball valve's spheroid free supporting on the valve seat, forms the one-sided seal depending on the medium pressure, therefore cannot guarantee the seal.
      浮动球球阀的球体自由支承在阀座上,靠介质的压力形成单面密封,故不能保证密封。