This paper briefly expounds the main points of design for drum drive system of well logging wheeled machice.
简要论述了该石油测井车电缆滚筒传动系统的设计要点。
Prior to lowering the top drive system or rigging down, ensure that sufficient wraps of drilling line remain on the drum.
在下放或拆卸顶驱系统之前，要保证辊筒上留有足够的大绳圈数。
The text introduces constant faults along with case study and relevant eliminative methods about auto reinforcement drum-type halt vehicle brake system of light car.
介绍了轻型汽车自动增力鼓式驻车制动系统常见故障现象，原因分析及相应的排除方法。
应用推荐