当阀门下游一侧出现压力时，第二止回阀必须是无滴漏。
Second check must be drip tight when pressure is applied to downstream side of valve.
现在可以拆卸阀盖。如果后座无法提供无滴漏密封，则会有轻微的泄漏。
The valve bonnet may now be removed. There may be slight leakage as the backseat does not provide a drip-tight seal.
膏体活塞式灌装机配备了防止滴漏与拉丝的灌装闷头，确保灌装完毕后无滴漏，无拉丝。
The machine is equipped with prevent drip with wire filling cocks, ensure filling after the completion of a drip-tight, no drawing.
现在可以拆卸阀门的阀盖。当金属-对-金属后座无法提供无滴漏密封时，可能会有点泄漏。
The valve bonnet may now be removed. There may be slight leakage, as the metal-to-metal backseating does not provide a drip-tight seal.
空调系统运行正常，无超标噪音、严重滴漏现象。
The conditioner system operates normally, without exceeding noise and serious leakage situation.
空调系统运行正常，无超标噪音、严重滴漏现象。
The conditioner system operates normally, without exceeding noise and serious leakage situation.
应用推荐