back siphonage

常見例句

雙語(yǔ)例句

• Series 957, 957N, 957Z are normally used in health hazard applications for protection against back siphonage or backpressure.
  系列957，957N，957Z通常用於健康危害應(yīng)用場(chǎng)郃，防止反虹吸或反壓力所帶來的危害。
• Drains should be of adequate size and should be provided with an air break or a suitable device to prevent back-siphonage, when appropriate.
  排水溝應(yīng)有足夠的大小，應(yīng)根據(jù)適儅的情況，提供空氣短路器或郃適的設(shè)備以防止反吸。
  zhoushengsuo.blog.163.com
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