Flare up the cooper tube to connect a union.

把铜管做成喇叭口形状以便接上活络接头。

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From the point of view of design, this article briefly introduces construction, tube material and water-treatment system for PWR steam generators in the Soviet Union.

本文仅从设计角度出发，摘要介绍苏联压水堆蒸汽发生器的结构、选材和水化学制度等方面的问题。

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Complications included pin track infection at 5 sides, metaphyseal non union at 1 side, wrist tube syndrome at 1 side and traumatic arthritis at 2 sides.

并发症包括钉道感染5侧，骨干部骨不连1侧，腕管综合征1侧，创伤性骨关节炎2侧。

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Complications included pin track infection at 5 sides, metaphyseal non union at 1 side, wrist tube syndrome at 1 side and traumatic arthritis at 2 sides.

并发症包括钉道感染5侧，骨干部骨不连1侧，腕管综合征1侧，创伤性骨关节炎2侧。

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