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随着世界各国工程机械、运输车辆等数量的增加,柴油机排放的尾气已经成为对地球环境的主要污染原因之一,如何采取措施保护人类赖以生存的地球环境已是当务之
As the number of construction machinery, transport vehicles and the like in the world increases, the exhaust gas emitted by diesel engines has become one of the major pollution sources to the global environment. How to take measures to protect the global environment on which mankind depends