Turbine meters should be avoided and are acceptable only on utility services such as air, nitrogen or water and only with approval from SECCO.

 
  • 宜避免使用渦輪儀表并且只用于公用工程如空氣,氮氣或水或只有經(jīng)過(guò)賽科批準才被接受。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan