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單項選擇題

Which of the following is true about a "dry pipe" sprinkler system?下列哪一項關于干式噴水滅火系統(tǒng)的描述是正確的?()

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

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