发布时间:2025-01-29 10:39:43
钢材密度按7850千克/立方米计算,
方通重量为:
(0.2X0.2-0.18X0.18)X1X7850
=59.66千克/米
=59.66公斤/米
新房装修完后物业让签物业整改通知书说形式一下请问物业整改通知书签字和不签字有什么区别
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