问题
问答题 简答题
国家对液化气钢瓶的使用检验规定？
答案
参考答案：
自2006年起钢瓶自制造日期起，第一次检验周期均为4年，八年强制报废。
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国家对液化气钢瓶的使用检验规定？
参考答案：
自2006年起钢瓶自制造日期起，第一次检验周期均为4年，八年强制报废。
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| Nicolaus Copernicus was frightened and his mind was 1 . Although he had tried to ignore them, all his mathematical calculations 2 the same conclusion: 3 the earth was not the centre of the solar system. Only if you put the sun there did the movements of 4 planets in the sky make sense. Yet he could not tell anyone about his theory as the powerful Christian Church 5 him for even suggesting such an idea. They believed God had made the world and for that reason the earth was special and must be the centre of the solar system and all planets went round it. | ||||
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