不冒黑烟，有利于环保达标。
No black smoke escapes to help achievement of environmental protection.
车来接我们上学了，这车既没有噪音，又不冒黑烟。
To pick us up at school, this car is no noise, and don't smoke. Tree-lined everywhere, the air is fresh.
车来接我们上学了，这车既没有噪音，又不冒黑烟。
To pick us up at school, this car is no noise, and don't smoke. Tree-lined everywhere, the air is fresh.
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