可逆流体换向装置是决定气动式脉冲液体射流泵的流体输送效率的关键组成部件.
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The reference dose ( RfD) of daily total intake was calculated to be 3.49 and 3.15 mg/ d.
由此推算出的总摄氟量的参考剂量(RfD)为3.49和3.15mg/d。
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Action of the various antitubercular agents, particularly PZA and RFD ( RFP);
对各种短化抗痨药物的作用机理,特别是PZA和RFD(RFP);
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