跨中正弯矩区钢箱内上部浇筑混凝土，可解决钢箱梁顶部混凝土受压面积不足的问题；
Concrete is poured on the upper part inside the steel box in the span-center bending moment area to solve the problem of the insufficient pressing area of concrete on the top of the steel box girder;
空气弹簧是利用其内部压缩空气所产生的反力、随其变形而引起的有效受压面积增加所产生的反力、或两者合力抵御外力的一种弹性机构。
Air spring is a elastic mechanism that using the reactive force of compressing air, reactive force of raising effective area for the deformation and the resultant of above two forces.
比如，帕斯卡是用来测量某处面积所受压力的单位。
PASCALS, for example, measure the pressure applied to a certain area.
弹簧受压差的作用自动控制阀胆上过流面积的大小，从而使通过阀门的流量恒定。
The role of compression springs bad gall on automatic control valve flow area of the size, so that a constant flow through the valve.
结果表明，随横向刚度减小，截面受压区面积增大，隧道纵向等效刚度有效率减小；
The analytical results show that, as the transverse rigidity decreases, the area of compressive region increases and the longitudinal effective rigidity ratio decreases.
考虑到碳纤维水泥试件很难直接感应到车辆的荷载，提出了改变受力面积来增大碳纤维水泥试件所受压力的特殊构件。
It is hard for CFRC to directly sense the load of vehicles, and the special component which can enhance the stress by changing the pressed area.
特点1、卡瓦同落鱼的接触面积大，鱼顶受压力均匀，不变形。
Contact area of slips and the fish is large, and the fish-top borne force is even and not distorted.
特点1、卡瓦同落鱼的接触面积大，鱼顶受压力均匀，不变形。
Contact area of slips and the fish is large, and the fish-top borne force is even and not distorted.
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