【Daily Question】Question from Issue 20150811
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. The typical cross-sectional drainage slope for flat roofs is: ( ) A. 1% B. 2% C. 2.5% D. 3%. New activities have started in the production area, with attractive prizes available – hurry and participate! 【Production Through Summer】The production area has entered the \"train during the hot summer days\" mode
D.3% ..........................
The horizontal drainage slope for flat roofs is generally: (D). Flat roofs are divided into those accessible and those not accessible. Roofs that are accessible to people have a relatively gentle slope, with an inclination of generally 1%~2%; roofs that are not accessible to people usually have an inclination of 2%~3%, often 3%
The horizontal drainage slope on flat roofs is generally: (B.2%)
The typical cross-sectional drainage slope for flat roofs is: ( ) D.3%
The typical horizontal drainage slope on the roof is: (B) A.1% B.2% C.2.5% D.3%
D, 3%------------------
The typical cross-drainage slope for flat roofs is: (B) A. 1% B. 2% C. 2.5% D. 3%