Kev siv ntau txoj hlua sib hloov tsis zoo steel hlau hlua, xws li 35 * 7 lossis 19 * 7 qauv ntawm cov hlua hlau, thaum lub taub hau loj, cov hlua hlau tsis yooj yim rau strand, yog tias nws yog ntau tshaj ib txoj hlua hlau. , tuaj yeem muaj txoj cai twist hlau hlua thiab sab laug twist hlau hlua sib xyaw siv, qhov stranding s ...
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