Qhib Qhov Muag Bolt

A: Qhib lifting nplhaib ntsia hlau yog siab - lub zog ntsia hlau txuas. Nws muaj cov xov tsis tu ncua ntawm ib kawg, yooj yim rau nruab kom ruaj ntseg. Lwm qhov kawg yog curbed rau muaj zog lifting voj nrog ib tug thais. Cov qauv qhib tshiab no tso cai rau kev sib txuas ceev los yog dai kaw lub nplhaib nqa, hlua thiab lwm yam khoom siv yam tsis muaj kev cuam tshuam tag nrho. Cov khoom yog ruaj thiab zoo siv high tensile stress. Nws yog dav siv nyob rau hauv cov cuab yeej nqa, hlua txuas cov ntsiab lus thiab txawv ib ntus hoisting thiab kho lub sijhawm.