doubler的精選

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用“doubler”造句大全，doubler造句

用“doubler”造句大全，doubler造句

2018-09-20
ThephasejitterofoutputsignalofthePLL(phaselockedloop)frequencydoublerisanalyzed.Decksundermachinery,bollards,boatdavitandotherheavyconcentratedloadstobereinforcedbycarlingorweldeddoublerwherenecessary...