friable immediate roof的意思|示意
美 / /
英 / /
易碎直接顶板
friable immediate roof的网络常见释义
伪顶 ... friable ground 脆性岩石 friable immediate roof 伪顶 friable top 脆性顶板 ...
friable immediate roof相关短语
1、 friable e immediate roof 伪顶