CO is the formula for carbon monoxide.

CO是一氧化碳的分子式。

The limit for carbon monoxide is 4.5 per cent of the exhaust gas.

尾气中一氧化碳的排放量限制在4.5% 以下。

Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.

与香烟一起吸入的尼古丁和一氧化碳已经被指控为诱发性因素。

As he recalled it, a gas-driven pump being used broke down, spreading carbon monoxide through the house.

正如他回忆的那样，一个正在使用的气体驱动泵坏了，导致了一氧化碳在房子里扩散。

The injured miners had carbon monoxide poisoning.

受伤矿工大多是一氧化碳中毒。