求翻译：砼采取现场拌制的砼，小型机动车运输，在桥面上设置走道支架，以便砼运输车及操作人员行走及操作，避免对桥面铺装钢筋的破坏。大桥及特大桥的砼桥面铺装应用三辊轴找平，然后用铝合金方钢沿着滑道横刮两遍，再用三尺铝合金直尺纵刮两遍，再抹面压平，确保平整度合格率在90%以上。是什么意思？

Take on-site concrete mixing and concrete, small motorized transport, set up the aisle stand on the deck to the concrete truck and the operator walking and operation, to avoid damage to the steel bridge deck pavement. Bridge and the bridge deck pavement of concrete application of three roller leveli

[object Object]

tong adopts the scene to mix the system tong, the small vehicle transportation, establishes the aisle support on the bridge floor, in order to tong the transport vehicle and the operator walk and the operation, avoids to the flooring steel bar destruction.The bridge and the especially big bridge ton

Concrete taken live mixing concrete, small motor transport, bracket set on deck aisle so that concrete transport vehicles and authorised operators and operations to avoid reinforcing bar damage of bridge deck. Application of concrete deck of the bridge and the bridge three roller leveling, and then

Take on-site concrete mixing and concrete, small motorized transport, set up the aisle stand on the deck to the concrete truck and the operator walking and operation, to avoid damage to the steel bridge deck pavement. Bridge and bridge deck pavement of concrete application of three roller leveling,