The vertical pressure acted on rod is also studied. Its size and distribution rules confirm the shearing force theory.

对拉杆上所受的垂直压力进行了研究，其大小及分布规律有力地验证了剪力理论。

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The cover, the vertical pressure meter, the valve position opening scale, the pressure gauge, the oil pressure gauge and so on.

套、立压表、阀位开度表、气压表、油压表等组件组成。 还有气动压力和阀位变送器。

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The results indicate that increasing the vertical pressure or grinding speed is beneficial to the grinding process of ceramic corundum abrasive belt.

试验结果表明，采用较大的法向压力或适当增大磨削速度等磨削参数，可以高效发挥陶瓷刚玉砂带的磨削性能。

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The concept of vertical farming is not new - the phrase was first coined by Gilbert Ellis Bailey in 1915 as pressure increased on already limited farmland - and involves growing produce either in a skyscraper greenhouse, or in this case, a tower.

BBC: The technology that's transforming gardening