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- marineplanetaryreductiongearspurtypeplanetaryreducerplanetarystrandingmachinediado'splanetarymillthecomputationofplanetaryorbitscycloidalplanetarygearspeedreducerKepler'slawsofplanetarymotionphysicsofsolarplanetaryenvironmentCotalplanetarytransmiss...
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- Thispaperanalyzesthefeasibilityofplanetarygearsetasclutchfromtheperspectiveofdesign.Thepaperanalyzedthedeflectionofacompoundplanetarygearsetandcalculatedthedamagepercentageofitsrollerbearing.AttheheartofBMW′sActiveSteeringsystemistheplanetarygearset...
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- spurtypeplanetaryreducerContactanalysisofanew-styleplanetaryreducerwithadoublecrankandinternalgearboard...
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- planetaryandinterplanetaryprobeAtlantiswasthefirstshuttletolaunchaninterplanetaryprobe....
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![planetary nebulae造句怎麼寫]( "planetary nebulae造句怎麼寫")
- Capturedincolorfultelescopicportraits,twocosmicowlsglarebacktowardplanetEarthinthisintriguingcomparisonofplanetarynebulae.Glowinginvibrantcolors,planetarynebulae,suchasthisone,representthedeathrattlesofdyingstars....
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