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【简答题】
自动喷水灭火系统根据适用范围不同，可分为以下七类（）；（）、干湿式系统、预作用系统、雨淋系统、水喷雾系统、水幕系统。
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反馈参考答案：
举一反三
【简答题】A．MI：10/20/70 B．MI：30/30/40 C．MI：15/70/10 D．MI：15/35/50 E．MI：70/25/5 雌激素高度影响：
【简答题】运算式 (2008) 10 -(3723) 8 的结果是 ( ) 10
【单选题】What measure had the ambassador anticipated the Security Council to take to fulfill the mission?
A.
Residents were asked to participate in the operation.
B.
Troops were brought in to help the African Union.
C.
Military forces were required to retreat soon.
D.
More fire engines were provided by the United Nations.
【单选题】She said she was sorry _____ the train, so she had to stay here for another day.
A.
missing
B.
having missed
C.
to miss
D.
to have missed
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