The tow-pontoon is full welded body consisting of the steel structure bearing frame and steel plate flotage crust and I-shaped suspend girder.

• 该浮箱采用全焊接结构，包括承重架、浮力外壳和起吊梁，其中承重架为框架结构，浮力外壳为钢板，起吊梁为工字梁。