The completed field tests show that the new type flexible disc also can open quickly, discharge stably, and reseat timely and effective under medium pressure comparing with the rigid disc.

所完成的现场试验表明，与刚性阀瓣相比，新型柔性阀瓣在介质压力作用下同样能迅速开启、稳定排放介质和及时有效的回座。

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And the pelite schist is the main rock type, and contains the classic medium pressure metamorphic minerals.

泥质片岩是工作区内分布最多的岩石组合，出现了典型中压类型的标型矿物及矿物组合。

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The paper described the designs and properties of CR-4(RT-5) medium pressure hydro-upgrading(MHUG) catalyst.

本文介绍了适用于中压加氢改质催化剂的设计构思和性能。

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However, if consumers start to move from stores to online shopping and expect some form of free shipping, we could see some gross margin pressure in the medium term.

FORBES: Web Shopping Gambit Could Bite Wal-Mart

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

FORBES: How To Offer Free Shipping And Still Make A Profit

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

FORBES: The Web'S Fog Of War