Warning: file_put_contents(): Only 0 of 8339 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu.com/index.php on line 58 methane-carbon content例句_methane-carbon content英汉例句_methane-carbon content双解例句_英语字典
The wax content of the crude oil is high, its methane carbon isotope could be reversed, indicating its multi-stage pool-forming origin. 油气藏含蜡量高，甲烷碳同位素具反转现象，说明其为多期成藏的产物。