A. Halon 鹵化烴(二氟二氯甲烷) B. electrical 電氣類 C. liquid 液體類 D.common combustibles 普通的可燃物類
A.power conditioners電壓穩(wěn)壓器 B.power filters電源濾波器 C.power dividers功率分配器 D.uninterruptible power supplies不間斷電源
A .It reduces the likelihood of the sprinkler system pipes freezing.減少了噴水滅火系統(tǒng)的管被凍住的可能性 B .It is a substitute for carbon dioxide systems.二氧化碳滅火系統(tǒng)的替代品 C. It uses less water than "wet pipe" systems.比濕式滅火系統(tǒng)更節(jié)水 D .It maximizes chances of accidental discharge of water.增大的意外排水的可能性