发布时间:2025-01-28 01:15:56
按照我国规范规定,只有涉及到结构质量、安全的材料才送检,砌筑砂浆属于涉及到结构安全的,所以要送检,而抹灰砂浆不涉及,故不用送检。
大家快帮帮我吧 上火死了 我想去广告公司 可是现在学的玛雅动画一点我都不会
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