英语词汇spring index是什么意思，spring index的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	spring index
释义	spring index　弹簧指数弹簧直径比
随便看	valve valve valve valve valve action valve action diode valve actuating gear valve actuating mechanism valve actuation valve adapter valve air relief valve amplifier valve assembly valve bag valve bank valve barrel valve base valve block valve body valve body attachment valve bonnet valve bounce valve box valve buckle valve bush

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