发布时间:2025-01-31 20:06:52
第一套箍筋距支座50MM,其余箍筋间距100MM(特殊注明除外)满梁布置。注意:因悬挑梁下部筋架力,上部筋受拉,所以箍筋口布置于下部。
三星i9100手机漏电非常严重在哪里修最安全不会被js拆换部件
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