Lub tshuab winch

Winch yog ib lub tshuab siv los rub lossis tso tawm lossis kho qhov nruj ntawm txoj hlua lossis hlua hlau, thiab tuaj yeem siv hluav taws xob, hydraulic, pneumatic lossis lub zog combustion sab hauv. Peb tsim thiab tsim cov hydraulic thiab hluav taws xob. Peb cov winch raug faib ua pawg raws li kev teeb tsa thiab kev siv.