中远区微差爆破振动叠加效应产生的主要因素是介质的衰减慢。 振动叠加强度与爆源结构特性、爆心距和间隔时间有关。
The intensity of vibration superposition is affected by the characteristics of explosion source , millisecond delay interval and distance between explosion source and measuring point.
碾压式沥青混凝土心墙,是将热拌后的沥青混合料按一定的厚度摊铺在铺筑部位上,然后用适当的振动碾碾压成型。
Roller compacted asphalt concrete core wall is built by spreading hot-mixed asphalt concrete with a certain thickness and then shaping-rolled by vibratory roller.
我们的心会以一个更高的振动跳动,光的频率会出现。
Our hearts will beat with a higher vibration and the frequency of light will have been turned up.
调心滚子轴承承受径向负荷,双向轴向负荷及其合成负荷的能力较大的场合,适合于承受振动,冲击负荷的用途。
Spherical roller bearings are subjected to radial load, bidirectional axial load capacities and synthetic load more, suitable to withstand vibration and shock loads.
调心滚子轴承承受径向负荷,双向轴向负荷及其合成负荷的能力较大的场合,适合于承受振动,冲击负荷的用途。
Spherical roller bearings are subjected to radial load, bidirectional axial load capacities and synthetic load more, suitable to withstand vibration and shock loads.
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