英语词汇“underwriters' loop”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	underwriters' loop
释义	Underwriters' loop Hartford loop, Underwriters’ loop An arrangement of the return piping connections to a steam boiler; used to balance pressures between the supply and return sides of the boiler and thus prevent boiler water from backing out of the boiler and into the return.
随便看	subscriber line module assembly subscriber line test system subscriber local carrier subscriber loop subscriber loop carrier subscriber loop connection subscriber loop multiplex subscriber main distributing frame subscriber management center subscriber management system subscriber module urban subscriber multiple subscriber multiplex transponder subscriber network subscriber, network, application, policy subscriber number subscriber personal identification number access subscriber personal identification number intercept subscriber plant factor subscriber radio terminal subscriber registration center subscriber relationship management subscriber retention cost subscribers subscriber savings account

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Underwriters' loop