糯米粘砖修长城是在秦朝时就开始了。
所有跟帖:
• 不就是配方不同的混凝土吗? -无机塑料- ♂ (0 bytes) () 08/19/2020 postreply 17:43:05
• 不就是配方不同的混凝土吗? -无机塑料- ♂ (0 bytes) () 08/19/2020 postreply 17:43:05
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