B: How can you be so sure? You haven't even read half of the report.
B：你怎么能如此确定呢，你连这份报告的一半都没看完呢。
Push the PFL button of channel B. Be sure that the PFL of channel a is off.
推进脉冲形成线按钮的渠道湾肯定的是，脉冲形成线的渠道A是赶走。
Push the PFL button of channel B. Be sure that the PFL of channel a is off.
推进脉冲形成线按钮的渠道湾肯定的是，脉冲形成线的渠道A是赶走。
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