旋启双瓣式底阀的英文

double disc swing foot ale

double disc swing foot valve

• 旋:    whirl
• 启:    open
• 双:    two; twin; both; d ...
• 瓣:    petal clove; segme ...
• 式:    type; style
• 底:    bottom; base
• 阀:    established house ...

例句与用法

1. Double disc swing foot valve
   旋启双瓣式底阀