serpentine belt造句
(Withnewserpentinebelt)Muilt-whirlbeltdrivesystemisatypicalserpentinebeltdrivessystem.Thepaperintroducesthereasons,courseanddesignprincipleofdevelopmentoftheserpentinebeltconveyor,andanalyzesitspopula...
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serpentine造句
agroupadvancinginasingle-fileserpentinepath.Inthenortheastasilvergreenserpentineaurorapulsedandquiveredgently.Braided,serpentinefilamentsofglowinggassuggestthisnebula'spopularname,TheMedusanebula.The...