Focuses on the double "o" ring connection, the scene ends meet connections, flanged connections, such as connections and their respective conditions of application and quality control points.

重点论述了双“〇”圈连接、现场糊口连接、法兰连接等连接方式及其各自的适用条件与质量控制要点。

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There was a new ringed structure on the driven pan to push back the oil and we also used single framework with one O ring instead of double framework to seal the oil.

在提前器从动盘上设计了一个挡油环形结构，并将原来的双骨架密封结构改为单骨架结构加O型圈密封结构。

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Exclusive Rotork double 'o' ring sealing for proven protection against leakage in oil-filled service.

独家罗托克双重澳环密封证明防止渗漏充油服务。

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