综合考虑到桥的跨度和载重的关系，钢架结构是最佳的选择。
The load-span relation recommends the use of the metal truss.
为不同规格和载重的冷轧薄钢板木托架结构设计提供理论依据。
The purpose was to provide theoretical basis for structure design of wooden pallet for cold rolled steel of different specifications and load.
根据待装货物体积、重量与货车容积、载重的相对关系，将货物分为两类。
In one truck-loading problem, the bulk cargo is classified as two types according to the relative relation of the volume and weight between the goods and the truck.
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