liquid-sealed discharge

例句：

1. 1. The new product has a liquid-sealed discharge system that prevents leakage.
   新产品有一个液体密封排放系统，防止泄漏。
2. 2. The engineer designed the liquid-sealed discharge system to ensure safe operation.
   工程师设计了液体密封排放系统，以确保安全运行。
3. 3. During testing, the liquid-sealed discharge system was found tobe effective in preventing contamination.
   在测试期间，液体密封排放系统被发现能有效防止污染。