radon contents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。
radon contents的相关资料:
临近单词