The advanced hoisting technique and control method of prefabricated box girder over sea including spreader gear design, floating crane improvement and transportbarge have been expounded in details.
详细阐述了预制箱梁海上新的吊装工艺和控制方法，包括吊具设计、浮吊改造、运输驳改造。
2
In combination with the investigation into the transport of barge fleet of the Changjiang River in Sichuan Province, the author mates preliminary technical and economical analysis to this assumption.
笔者结合川江驳船队的运输情况，对这一设想作了初步的技术论证和经济论证。
3
It is different from the traditional transportation of goods in that the deck barge to transport the heavy cargos is a special ship varying from the common ship.