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Machines easy to operate, operation button on the operation of me.
机器操作方便,操作按钮集中在操作箱上。
youdao
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Hardly had the operator pressed the button before all the machines began to work.
操作人员一按电钮,所有的机器就开始运行。
youdao
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Hardly had the operator pressed the button before all the machines began to work.
操作人员一按电钮,所有的机器就开始运行。
youdao