鋼筋水泥防震,造價的5倍
所有跟帖:
• 水泥應該淘汰。用防火的複合材料比較好, 比木材貴,但是比水泥環保。資本家不願意。 -笑薇.- ♀ (0 bytes) () 08/13/2023 postreply 13:17:38
• 水泥應該淘汰。用防火的複合材料比較好, 比木材貴,但是比水泥環保。資本家不願意。 -笑薇.- ♀ (0 bytes) () 08/13/2023 postreply 13:17:38
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