单词：coal gas
[化] (由煤的气化而得的)煤气(尤指焦炉煤气及发生炉煤气)
coal gas的用法和样例：
例句
- Gas is now widely used for cooking and heating.现在普遍用煤气烧饭和取暖。
- Guard against coal gas poisoning.小心别让煤气熏着。
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