打入式基桩施工引起的持续振动可引起桩周土液化，降低桩侧摩阻力，从而影响单桩承载力。
Owing to the liquefaction of soil around piles caused by sustained construction vibration the lateral resistance and bearing capacity of piles could be decreased.
无论什么时候，只要游泳者的脚从水面之上打入水中，空气就会随着脚进入水中，这些空气泡会产生阻力，而且还会减少推动力。
Each time the swimmer's feet leave and enter the water, air comes along, increasing drag and reducing thrust.
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