ʻElua mau wili i loko o ka pōʻai i loko o ka Self-Aligning Ball Bearing, e hōʻike ana i ka pōʻai, a ua kūlike ke kikowaena o ka curvature o ka pōʻai me ke kikowaena kikowaena. No laila, ʻo ka pōʻai i loko, ka pōʻai a me ka mea paʻa, hiki ke hili ʻia ka pōʻai waho. No laila, ʻo ka hoʻokaʻawale ʻana ma muli o ...
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