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介绍了带钢推拉式浅槽紊流盐酸酸洗各工序的操作经验,并提出了建议.
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A novel push pull forward converter is proposed and its principle is analyzed.
介绍了一种新颖的正激推挽变换器.
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The first stage is push pull forward converter second stage is a dual buck inverter ( DBI ).
该静止变流器前级采用推挽正 激式 变换器,后级采用双降压式逆变器.
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Officer explore comes forward, urging backward fast exert all one's strength push the past.
乡长探出头, 向后催著快使劲儿推过去.
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