Rabinowitz broke the record a week ago, but a faulty electronic timer kept the mark out of the books.

拉比诺维茨一星期前已经打破了世界记录，但是官方计时仪器当天出现电源故障，没有记下拉比诺维茨的成绩。

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Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.

将420B型煮沸消毒器的机械定时器改为电子定时器，并加装显示电路，使其定时直观、工作稳定、便于维修。

youdao

Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.

将420B型煮沸消毒器的机械定时器改为电子定时器，并加装显示电路，使其定时直观、工作稳定、便于维修。

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