launching side girder at one time,JQG200t-50m.Launching for "T""I"and "box" type girder,more than 10 pieces/day,including via to next span.
- 8 жыл бұрын
Bridge girder launcher via span and launching side girder
- Рет қаралды 77,996
launching side girder at one time,JQG200t-50m.Launching for "T""I"and "box" type girder,more than 10 pieces/day,including via to next span.
Пікірлер: 2