The wall must be protected against chemical attack from highly corrosive components of the combusting gases.

必须把室壁保护起来以防止来自燃气的高度腐蚀性成分的化学侵蚀.

辞典例句

It was the world's first major chemical attack using sarin, a nerve attacks the respiratory system.

这是世界上首宗使用沙林神经毒气施袭的重大化学武器事件.

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