| 摘要 |
The method involves directly spreading a foaming agent (10) on a water surface of a liquid seal (11) inside a lavatory bowl for forming a thick layer of sanitary foam (13) on the water surface. Perfuming, deodorizing, cleaning, disinfecting, sterilization, lubricating, hardening and long-lasting chemical products or agents are added to the foaming agent, where the foaming agent is conveyed by using a conveying device (17). |
