Due to the hot air coming out of the engine exhaust behind the tank, infantry units cannot follow the tank in combat in residential areas.

由于坦克后方发动机排气管冒出热气，步兵部队无法跟随坦克在居民区作战。

This magical little box takes dangerous chemicals and engine exhaust and transforms them into relatively harmless gases that are better for the environment and public health.

这个神奇的小盒子可以吸收危险化学品和发动机尾气，并将它们转化为相对无害的气体，对环境和公众健康更有利。