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问题
判断题
过流保护包括短路保护、断相保护、漏电保护。()
答案
参考答案:错
选择题
Look at the table .Han Fang wants to buy two pieces of bread ,a bottle of orange juice and an ice cream .How much will she pay?
A.Five yuan and eighteen fen
B.Six yuan and twenty fen
C.Seven yuan and twenty fen
D.Eight yuan and twelve fen
Bread 1.20 Cake 1.50
Water 0.80 Orange juice 1.80
Coke 4.50 Ice cream 2.00
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判断题
波形梁护栏立柱的镀锌层厚度一般要求不低于85μm。
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