导读:railwayline铁路线;telephoneline电话线;product/assemblyline生产/装配线;county/stateline县/州界;transmissionline传输线;mainline干线;powerline电源线;bottomline概要/关键;online在线的;lineofbusiness行业,营业范围;straightline直线;dottedline虚线
railway line 铁路线;
telephone line电话线;
product/assembly line 生产/装配线;
county/state line 县/州界;
transmission line 传输线;
main line 干线;
power line 电源线;
bottom line 概要/关键;
online 在线的;
line of business行业,营业范围;
straight line直线;
dotted line虚线