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| automobile exhaust gases | |||
| vehicle exhaust gas An aeriform fluid of fine particles suspended in air, produced and vented as a byproduct of the operation of wheeled machines or conveyances self-propelled by internal combustion engines (一种在空气中悬浮的微粒气体流体，由轮式机器或内燃机驱动的交通工具产生和排出的副产品。) | |||
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汽车 尾气 : 6 phrases in 3 subjects |
| Chemistry | 2 |
| Ecology | 2 |
| Technology | 2 |
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