cast in-situ with span by span
constructed span by span
construction of splicing span by span
ratio of center span to side span
ratio of side span to mid span
a Rotary Desiccant Wheel
a rotay desiccent wheel
A-alloy wheel
铝合金轮毂
碳纤维复合材料
碳纤维强化聚合物(CFRP)