英语语法分析

The explosion occurred on Botnia’s transfer line for weak malodorous gases when the mill was started up after a 48-hour maintenance shutdown.

此次爆炸发生在这家博特尼亚工厂的低压恶臭气体传输管线上，当时正值该纸浆厂经过48小时保养停产之后的重新启动。

And don't be embarrassed if it happens to you, he adds. Even professors of dentistry and experts in the field of bad breath sometimes have malodorous mouths.

如果这发生在你身上也不用窘迫，甚至牙科专家及教授也会有难闻的口臭。

Some emphases on further research are indicated, such as the mechanism of removing amine and ether from malodorous gas and the optimisation of extracting process.

指出对恶臭气体中的胺类和醚类除臭机理、对植物提取液提取工艺优化的研究是今后研究的重点。