单词:radon gas
radon gas的用法和样例:
例句
- Recent studies indicate that radon hazard is a widespread geological hazard.氡气灾害是一种广泛分布的地质灾害。
- The content of radon gas and methane bacteria indicates obvious abnormity above the gas pool.气田上方氡气和甲烷菌的含量存在明显的异常。
单词:radon gas 相关文章
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