- train diagram for doubletrack
- 双线: diplonema; duplet; doublet
- 运行: move; be in motion; run; wor ...
- 图: picture; chart; drawing; map
- 单线运行图: train diagram for singletrack
- 运行图: performance record; run charts; running chart; service diagram
关注微信公众号：chachacidian，回复:双线运行图，即可在微信中查询翻译
