怎么接电线最耐用_怎么接电线头又快又好

HOWARECEMENTPOLESMADE？WHORETERESEFESTEETEELCOBLESIDESIDE？HOWARETHEYMADEWITHSUCHABIGEFFECT？早期PoleStheDeDewithwoodEneNpoles，andLaterWithTheedePrevementofsteLbevelodSteelbarsbarsConcrete，themostCommonostcommonstectionTelephonePolesteTelephOnePolesWereMadeTodeAday。 itisstrongandable，耐腐蚀的耐andempperatureresant...因此，theoverallStiffnessnessandandcrackrackrackrackistanceofthetelephonepole。 thenuseSeaTringStofixtheSeTeElbars，andtheSkeletonInsideTheEnteEteTeleteTeleteletePoleisRoughlyDready。 接下来，putthemoldwiththeskeleton...

whenthensoftandhardwiresareconnectedtogether，为什么要扰动thejointtensileresistance？thetensionResistanceissparticulllyPoorWhenWrappingTape，ItiseasytodisengageAgeAgeAgeAgeAgeAgeAgeAgeAgeAgeAgeSthewireSbextedTostress。 ifthesoftwireandhardwireareconnected结合，itwillbectect？lingshareitonSiteToday。 forthiskindofjointMethod，itisnotonlyprofessionalbutalsohastrongtensilereresistanceandthejointisdurable，所以...

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Revealthesecretofthemanufacturingofcementtelephonepoles:themagicaleffectofsteelcables.Doyouknowhowitwasmade?Intheearlydays,mostofthetelephonepolesweremainlywoodenpoles.Later,withthecontinuousdevelopmentofsteelbarsandconcretetechnology,cementtelephonepoleswerefound. 逐渐播放。 Itisacrucial-steptepteputheassembledmoldonacentrifugeformefors。 satecentrifugerotatesatahighspeedof500revolutionsperminute，theexcesscessmortaronthemoldwillbethrownintothemold...