The porch is set from quadruple tree-shaped supports that rise from each insulator to receive loads from the building. It reduces the number of insulators, and saves use.
2
随后，取圆柱体分布于两条相互平行的直线上，则问题演变为双排弹性桩屏障对于弹性波的隔离问题。
Then, all the cylinders are distributed in two parallel lines, which makes the problem turn into the vibration isolation using double row of elastic piles.
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