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【单选题】
线路的有功损耗与()成反比
A.
频率
B.
电压
C.
功率因数
D.
功率因数的评方
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参考答案：
举一反三
【单选题】已知标准砖的尺寸为240mm×115mm x 53mm，灰缝为10mm，标准砖和砂浆的损耗均为1％，则砌半砖墙砂浆的总消耗量为( )m2。
A.
0．226
B.
0．227
C.
0．228
D.
0．229
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers
相关题目：
【单选题】已知标准砖的尺寸为240mm×115mm x 53mm，灰缝为10mm，标准砖和砂浆的损耗均为1％，则砌半砖墙砂浆的总消耗量为( )m2。
A.
0．226
B.
0．227
C.
0．228
D.
0．229
【单选题】Subways are underground trains, which usually operate 24 hours a day. They are found in larger cities and usually run between the suburbs and the downtown area. Maps and schedules are available from t...
A.
within downtown areas
B.
away from city centers
C.
in or outside big modern cities
D.
between suburbs and city centers
参考解析：
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