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ISO 6627-2022 内燃机--活塞环--膨胀机/油轨控油环 Internal combustion engines — Piston rings — Expander/rail oil-control rings
This document specifies the essential dimensional features of expander/rail oil-control rings, without providing a complete product description (because expander-rail designs vary from piston-ring manufacturer to piston-ring manufacturer, the interaction between the manufacturer and the client will determine specific design details)....
2023-10-29 21:24:01浏览：27
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空分启动阶段主换热器热端温差过大的原因分析及处理
介绍了空分设备启动阶段主换热器热端温差过大的现象和原因,通过计算膨胀机的最大膨胀量,得出膨胀量偏大是导致热端温差过大的原因....
2020-03-23 19:10:08浏览：1497
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