为: support; stand for服务: give service to; be in the s ...的: 4次方是 The fourth power of 2 i ...私用线服务: private-line service(pls)路线服务: route service铁路专用线: plant service railway line, special service railway line; railway siding; special rail专用铁路线: private railway; railway siding停止运营的铁路线: a disused railway line进港铁路专用线: access railway铁路专用线接轨点: special service railway coupling point作为专用: appropriate专用线: dedicated line; feeder road; individual line; leased circuit; leased line; private line; private wire专用线路数字数据服务: private circuit digital data service工矿企业专用铁路线: industrial railway工业生产专用铁路线: industrial track铁路线: rail line; railroad lines; railway line, railroad line; railway route; railway-line; trackagecomputing在线服务: computing online service第一线服务: front-lineservices热线服务: ohs off hook service同线服务: party-lines crvice在线服务: ols on line service; online support支线服务费: feeder charge专线服务: individual line service; leased line service; private leased circuit service; private line service工业专用线: industrial siding机场专用线: approach track