Medium pressure increases toward the valve seat surface and oblique cone sealing surface squeeze is tightening, sealing the better.

正向介质压力增大时阀板斜圆锥表面与阀座密封面挤压越紧，密封效果越好。

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Medium pressure increases toward the valve seat surface and oblique cone sealing surface squeezed more tightly, sealing the better.

正向介质压力增大时阀板斜圆锥表面与阀座密封面挤压越紧，密封效果越好。

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Residuum suspended bed hydrocracking process at medium pressure was studied by using homogeneous design experimental project.

采用均匀设计实验方案，进行了渣油悬浮床中压加氢裂化工艺研究。

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That kind of offer can put pressure on small and medium-size business owners depending on their business model.

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First, Amazon must escape the commodity-pricing pressure zone brought on by the very medium, the Web, that made Amazon possible.

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Banks are also under increased government pressure to lend more to support growth and increase lending to small and medium-size businesses, which could further crimp profitability if bad loans start rising.

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