发布时间:2025-01-29 06:07:06
疏水板每平米承载力80吨。疏水板又称排水板,是由高抗冲聚苯乙烯制成,承载力可达每平方米80吨,适合在其上打造各种景观,所以疏水板每平米承载力80吨。
在钢筋混凝土中当从各种组成材料引入的氯离子含量大于规定的限值时宜采取的防腐蚀措施有
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