废气排出
双语例句原声例句
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活塞的上行通过排气门将废气排出汽缸外。
As the piston travels upward, it pushes the spent gases out through the open exhaust valve.
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某些汽油中含铅，铅随汽车废气排出，会损伤儿童的大脑。
The lead comes out in car exhaust fumes and it can cause brain damage in children.
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一种特制的罩可以将空气导入大楼，也可以将废气排出大楼。
Specially developed cowls direct air into the building, and also draw used air out.
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The main goal of the respiratory system is to bring fresh in so that you can extract oxygen from it, and blow used air out so that you can rid of carbon dioxide which is the end product of carbon metabolism inside our bodies.
呼吸系统的主要功能是,吸入新鲜空气,以便获得空气中的氧气,呼出废气,以便排出二氧化碳,二氧化碳是人体内碳代谢的终产物
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