丰满熟女人妻中文字幕免费,国产乱人伦在线播放,风间由美性色一区二区三区,国产一区二区内射最近更新

永業(yè)消防的懸掛式定溫七氟丙烷滅火裝置主要技術(shù)參數(shù)有哪些？
型號           儲存規(guī)格        滅火劑最大充裝量（kg）        儲存壓力20℃          噴射時間          最大工作壓力
YQW10          10L                           11                                     1.6                     ≤10S                   2.5MPa
YQW20          20L                           22                                     1.6                     ≤10S                   2.5MPa
YQW30          30L                           33                                     1.6                     ≤10S                   2.5MPa