发布时间:2025-02-05 17:16:33
最小圆柱的直径就是对角线的长度。直径大约57公分,不到57,差一点
我是做建筑材料检测的刚入行现在做防水涂料检测单组份聚氨酯防水涂料的制样涂料的稠度很大无法涂
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