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It is infrequence in China that the weld high - temperature high - pressure hydrogenation pipe is cracked short time.高溫高壓 臨氫管道焊縫迅速發(fā)生裂紋,國(guó)內(nèi)罕見....
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frequence的音標(biāo)：frequence的英式發(fā)音音標(biāo)為：['fri:kw?ns]frequence的美式發(fā)音音標(biāo)為：['frikw?ns]...
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n.頻數(shù)，頻繁...
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infrequence的音標(biāo)：infrequence的英式發(fā)音音標(biāo)為：[?n'fri:kw?ns]infrequence的美式發(fā)音音標(biāo)為：[?n'frikw?ns]...
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n.很少發(fā)生，罕見...
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Diopside rock is a functional raw material for high frequence porcelain.透輝石礦是高頻瓷的一種實(shí)用原料.After setting, we can use following command to check if the core frequence is changed.設(shè)定完后可以利用以下命令來查看是否工作頻率已改變.The design of high - ...