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。
In the rural farming community of Enoch, Utah, the animal shelter's brick gas chamber USES carbon monoxide exhaust from an old pickup truck.
而在美国犹他州伊诺克的乡下村舍里，动物收容机构使用的是古老的小型敞蓬卡车排放出的一氧化碳气，对动物实施安乐死。
They should get out and clear space around the vehicle's exhaust pipe to prevent the possibility of carbon monoxide poisoning.
应出来清理一下排气管附近的空间防止一氧化碳中毒。
They should get out and clear space around the vehicle's exhaust pipe to prevent the possibility of carbon monoxide poisoning.
应出来清理一下排气管附近的空间防止一氧化碳中毒。
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