发布时间:2025-02-06 04:38:16
你这是什么问题?什么基数都没有,没法计算,我告诉你怎么给顶条件1,是中间梁还是边梁2,板的厚度3,板的跨度4、你所建设的房屋的所在地5,梁边有无洞口你把这些说明白了,我给你算,呵呵
听说电热丝接线在头尾两端一头接火线一头接零线就可以使用电热丝本身是导线那为什么不会短路呢
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