As the feed stream flows through the choke, the resulting J-T expansion and cooling causes some gas and most of the water vapor to liquefy.

当原料气流过节流件时，产生焦耳-汤姆逊膨胀及降温，使部分气体和大部分水蒸汽液化。

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This combination of disc springs and dual valve seal rings protects against expansion and contraction due to heating and cooling. This ensures dependable operation, even after years of service.

盘簧与两个密封环的组合，可防止因加热或冷却产生的膨胀和收缩，由此确保阀门即使使用多年后仍运行可靠。

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In order to save costs and avoid using two thermal expansion valves, the paper proposed a new throttle mechanism used for the heat pump and realizes the best match of the cooling and heating.

为了节约成本，避免使用两个热力膨胀阀，文章提出了一种新型的用于热泵的节流机构，实现了制冷和制热的最佳匹配。

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In the past, these proposed policies, which have included higher down payments, bans on third-home purchases, and placing limits on bank lending, had little impact on cooling expansion.

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When an organization can more effectively use its existing power and cooling systems, it delays the need for costly data center expansion.

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