配电装置中电气设备的遮拦，应符合（）。
A.栅状遮拦高度不应小于1.2m，栅状遮拦最低栏杆至地面的净距不应大于0.3m。
B.栅状遮拦高度不应小于1.2m，栅状遮拦最低栏杆至地面的净距不应大于0.2m。
C.配电装置中电气设备的网状遮拦高度，不应小于1.7m，
D.网状遮拦网孔不应大于40mm³40mm。
E.网状遮拦网孔不应大于20mm³20mm。
参考答案：B, C, D
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| Mary, Thank you 1 your email. In China, we go to school 2 Monday to Friday. In school days, I always get up at seven and have 3 breakfast at thirteen past seven. Our lessons 4 at eight. And we have three lessons 5 . At half past eleven, we have 6 in the school's 7 . In the afternoon, we 8 school at about four. Then we can go home. 9 many boys and girls in my school 10 to have sports on the playground after school. What about your school day? Mary? Yours, Tony | |||
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