Reasonable type of road cross section could ensure the smooth vehicle flow, at the same time, it could reduce the pollution of traffic to environment through reasonable greening arrangement.
合理的道路横断面型式一方面可以保证车流的畅通，另一方面也可以通过合理的绿化布置减少交通对环境的污染。
Initial tests on its photocatalytic degradation of formaldehyde indicated that it could greatly reduce pollution of indoor hazardous gas.
对其光催化氧化降解甲醛进行了初步测试表明，对室内有害气体污染有较大的改善作用。
Initial tests on its photocatalytic degradation of formaldehyde indicated that it could greatly reduce pollution of indoor hazardous gas.
对其光催化氧化降解甲醛进行了初步测试表明，对室内有害气体污染有较大的改善作用。
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