2. Therefore, do not be alarmed at water
drippage as the valve is doing what it is designed to do.
因此,这种阀门出现滴水现象时不要恐慌,因为这是这种阀门发挥作用的正常现象。
3. Are fixtures, ducts, and overhead pipes installed to prevent
drippage into product and materials?
是否有吊顶管路等装置来防止凝聚滴水污染产品和材料?