Floor trap Grating

• 地漏

Floor trap Grating的用法和样例：

例句

1. This factory manufactures bottle traps and floor drains.
   这个工厂生产瓶型气隔和地漏。
2. The discharge should be funneled through a Watts air gap fitting piped to a floor drain.
   排放应该成漏斗状通过美国瓦茨气隙连接件管道引到地漏上。