He aha nā kūlana ANSI, ISO, a me ASTM no nā bearings?ʻO nā kūlana ʻenehana, e like me nā maʻamau ASTM no nā bearings e kuhikuhi ana i ke ʻano mea kila e hoʻohana ai, kōkua i nā mea hana e hana i kahi huahana kūlike.Inā ʻoe i ʻimi i nā bearings ma ka pūnaewele, ua ʻike paha ʻoe i nā huahana ...
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