quadruple track

什么意... ... quadruple block 四轮滑车 ; 四饼滑车 quadruple track 四线铁路 ; 复复线 quadruple riveting 四行铆 ; 四行铆接 ...

土木工程编译词汇Q-1|土木工程免费在线词典... ... 方位角 Quadrantal bearing 复复线 Quadruple track 雪质 Quality of snow ...

http://www.... ... "四端网路"," Four terminal network" "四线,双复线"," Quadruple track" "四冲程循环"," Four stroke cycle" ...