短語詞組短語maintenance of road surface 路面維修maintenance of road [公路]養(yǎng)路;維修保養(yǎng)道路;道路的養(yǎng)護;道路的維護maintenance of road network 路網(wǎng)養(yǎng)護maintenance work of road 道路維修Road maintenance 道路養(yǎng)護road maintenance truck 道路養(yǎng)護車road maintenance fee 養(yǎng)路費road maintenance team detail 護路隊mechanized road maintenance [公路]機械化養(yǎng)路 返回 maintenance road