Backflow preventer
添加到生词本
- 回流huí liú
backflow; reflux; counterflow; circulation reflux
- 妨碍物fáng ài wù
clag; deterrence; obstructive; preventer
- 妨碍者fáng ài zhě
intruder; obstructionist; preventer; interceptor; interrupter
- 筒式防喷器tǒng shì fáng pēn qì
bag-type BOP; bag type blowout preventer
- 阻扰者zǔ rǎo zhě
preventer
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