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2011美国拉斯维加斯工程机械及动力传动博览会(CONEXPO-CON/AGG 2011)最大的看点之一是“环保与节能”。欧美主要工程机械企业都推出了符合Tier4排放标准的系列产品,几乎所有的发动机制造
One of the biggest highlights of CONEXPO-CON / AGG 2011 in Las Vegas is “Environmental Protection and Energy Saving.” Major construction machinery companies in Europe and the United States have introduced a series of products in line with Tier4 emission standards, almost all of the engine manufacturing