Day-to-Day Track Maintenance Part II: Switches & Crossings
Day-to-Day Track Maintenance Part II: Switches & Crossings
《Day-to-Day Track Maintenance Part II: Switches & Crossings》線上看，高清完整版. Continuing the study of the normal tasks performed by a permanent-way gang, this film deals with the maintenance of switches, common crossings and obtuse crossings. These are the fundamental units from which all track layouts, however complicated are built up.
- 電影類型: 纪录
- 國家: United Kingdom
- 導演: C. David Lochner
- 演員:
