英语词汇“optional service”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	optional service
释义	optional service freq. 6 cmpt. 3 un.任选业务 [网络]可选服务；可选择受理的业务；附加服务
随便看	condenser tube friction condenser tube plate condenser tube pulling space condenser-tube pulling space condenser tubes condenser tube sheet condenser tunig condenser type attemperator condenser type blasting machine condenser-type bushing condenser type bushing condenser type detector condenser-type enlarger condenser type gauge condenser-type ionization chamber condenser type mobile X-ray apparatus condenser type mobile X ray apparatus condenser type potential transformer condenser-type pressure gauge condenser type spot welder condenser-type spot welder condenser type surface attemperator condenser-type terminal condenser type terminal condenser unit

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