drainage trap中文什么意思

• 污水槽

• drainage:    n. 1.排水，放水；排水法；逐渐流出。 2.下水道；排 ...
• trap:    n. 【矿物】暗色(火成)岩。
• in a trap:    表示落于陷阱中; 落入陷阱中
• s trap:    s型存水弯; 横排污
• the trap:    中了圈套

例句与用法

1. Don t alter drainage traps and pipes
   切勿擅自改装去水管，
2. To maintain a clean environment , drainage traps should be filled with enough water and disinfected regularly
   去水渠的隔气弯管需要有足够贮水，还要定期消毒。
3. To maintain a clean environment , drainage traps should be filled with enough water and disinfected regularly
   保持环境生，去水渠的隔气弯管需要有足够贮水，还要定期消毒。