DTR 3205H casing Rotator ntaus ntawv
Tussim rotatoryog hom tshiab tho nrog kev sib koom ua ke ntawm lub zog hydraulic thiab kev sib kis tau, thiab tswj kev sib xyaw ua ke, lub zog thiab kua. Nws yog ib qho tshiab, ib puag ncig thiab siv thev naus laus zis heev. Nyob rau hauv xyoo tsis ntev los no, nws yog dav saws hauv cov phiaj xwm xws li cov kev tsim kho ntawm cov khib nyiab hauv lub zos
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