摩天大楼是应对城市扩张压力的一种明智选择。
Skyscrapers are a sensible alternative to the stresses of sprawl.
为了舒适,施加至内部鼻腔通道的向外扩张压力也分布在较大区 域上。
Outward dilating pressure applied to the internal nasal passage is also distributed over a larger area for comfort.
胶筒下部钢套采用滑套式,在降低胶筒扩张压力的同时,使封隔器在井下受力更合理。
Sliding steel sleeve at the lower end of rubber barrel is used to make reasonable force arrangement for downhole packer meanwhile the expandable pressure of rubber barrel is decreased.
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