英语词汇“know one's business”的读音、翻译、释义、用法及例句-智慧网

词汇	know one's business
释义	know one's businessknow one's business1.■精通业务Imes knows his business because he has been in this line for years.因为艾姆斯干这行多年, 所以他精通业务。
随便看	wire line measurement wire line MODEM wireline preventer wireline pumping unit wire line shoe wireline sidewall corer wire line slippage wireline system wire line thimble wireline truck wireline well logging wireline wiper wire ling jar wire link wire link guidance wire-link telemetry wire list wire lock wire lock equipment wire locking ring wire loom wire loop wire loop method wire lying machine wireman

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