发布时间:2025-01-24 03:00:29
对,提高设计标准,适当增加雪荷载,提高服务年限,结构及维护材料满足地区雪荷载最低标准值。这样就不会被雪压塌了。
会计折旧方法直线法双倍余额递减法年限平均法工作量法等公式是怎么的急需啊
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