发布时间:2025-01-21 09:27:53
你查一下泥岩,我觉得很像。泥岩是一种由泥巴及黏土固化而成的沉积岩,一种层理或页理不明显的粘土岩。泥岩的粒度极细,肉眼无法辨认颗粒,各种颜色的泥岩都有。具吸水、粘结、耐火等性能,可用于制砖瓦、制陶等工业。
求天正通用图库一款 听说高版本的图库低版本看不到 所以来70以上的就好 119326397qqcom
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