minimum lethal concentration造句

例句与造句

1. :: : : The CO in engine exhaust, if it escapes before reaching a catalytic converter, is 20-50 times the minimum lethal concentration, so you wouldn't need that much of a leak to start causing problems . talk ) 02 : 48, 27 January 2015 ( UTC)
2. It's difficult to find minimum lethal concentration in a sentence. 用minimum lethal concentration造句挺难的