Tus nuv siv nyob rau hauv lub lifting mechanism uas tau tsav los ntawm manpower yog kuaj nrog 1.5 lub sij hawm lub rated load raws li kev soj ntsuam load.
Tam sim no muaj ntau cov tuam ntxhab tau yuav cov khoom lag luam tiedown. Tab sis txoj kev yog los txuas rau tus nuv nrog cov khau muag muag muag yuav yog mob taub hau rau ntau cov tuam ntxhab. Cia peb tham txog nws hauv qab no.
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