短語(yǔ)詞組短語(yǔ)maintenance of mechanization 養(yǎng)護(hù)機(jī)械化highway maintenance mechanization 公路養(yǎng)護(hù)機(jī)械化track maintenance mechanization 養(yǎng)路機(jī)械化express highway maintenance mechanization 高速公路養(yǎng)護(hù)機(jī)械化expressway maintenance mechanization 高速公路養(yǎng)護(hù)機(jī)械化mechanization maintenance 機(jī)械化養(yǎng)護(hù)mechanization of maintenance 維脩機(jī)械化mechanization of maintenance detail 維脩機(jī)械化 返回 maintenance mechanization