Hlau hlua thiab webbing sling yog ob qho tib si siv los nqa cov cuab yeej, Vim tias webbing sling muaj ntau qhov zoo, yog li daim ntawv thov ntau thiab ntau dua.Yuav ua li cas xaiv qhov zoo hoisting siv yog cov neeg siv khoom txhawj xeeb Asaka lifting blet nrog cov khoom zoo sib tw 2, webbing s ...
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