box-main-girder

基本解釋

Obique bridge is made up of main girder crossbeam and bridge floorings.
斜交橋由相互斜交的主梁、梁及橋面板組成,結構受力復雜。
Access platform and ladders are proveide all along the main girder and noses.
沿主梁,鼻梁設工作平臺及人梯。
The beam is divided in 4 parts, two each sitting on each main girder.
箱梁分為4個部分，每根主梁上2個。
The main girders support I-section transverse ribs.
主梁支承著工字梁的橫向肋。
Mobile belt tail pieces' pedestal main girder is a main support of the ambulant components and stageloaders.
自移機尾基架主梁是小車和轉載機機頭的主要支撐體。