Tes-cranking Span Sab saum toj jack yog txoj hauv kev ntawm phau ntawv nqa cov cuab yeej, nws tuaj yeem ua ntau yam haujlwm thiab nruab nrog lifting ntog-nce raws li lub ru tsev yog txhais tes quab yuam los ntawm lub zog, tsav lub lifting lossis ntog. Thaum unloading hnyav los yog down, sab laug kom txav lub ratchet yuav crank rov qab kev sib hloov, phau ntawv tswj nws ceev, thiaj li zoo dua siv rau lub Hoobkas, warehouse, dock, railway, tsim pawg, thiab lwm yam, tshwj xeeb tshaj yog haum rau mobile installation ntawm ntau yam machinery thiab cov khoom siv, kev saib xyuas locomotive, nqa qhov hnyav, thiab lwm yam, cov khoom tsim tsim nyog, kev ua haujlwm yooj yim, hloov tau thiab txhim khu kev qha, txhim kho kev ua haujlwm zoo, txo kev siv zog ua haujlwm zoo.
Post lub sij hawm: May-19-2023