发布时间:2025-01-23 10:21:53
水泥压力板10mm厚耐火一小时。水泥压力板是在建筑用水泥压力板基础上改良配方和工艺,厚度从5mm到30mm间,10mm厚耐火一小时,25mm,30mm厚耐火约4个小时。
我对象是徐州的我是新沂的我门都是独生子她爸妈叫我在徐州买房子我不想买我想在新沂买可是他门死都不同
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