Application of single-chip computer in winch signal processing;
单片机在绞车信号处理中的应用
Kinematical Revision of Winch Used in the Recovery Oil Engineering Well Based on Sensitivity Analysis;
基于灵敏度分析的采油试验井专用绞车的动力修改
Talking about the reform of plate switch braking control system of major axis device of major shaft winch;
浅谈主井绞车主轴装置盘闸制动系统的改造
Research of switched reluctance motor control system for coal gangue hoist;
煤矸石绞车开关磁阻电动机控制系统的研究
JDD-4-22 hoist overwind device of simple reliable;
简单可靠的JDD—4—22绞车防过卷装置
Detection of hoist two-class brake;
浅谈提升绞车二级制动的测定
An improvement of gear in rig drawworks;
钻机绞车气换档机构的改进
Air control system design of drawworks;
绞车的气控系统流程设计
The design and calculation of the drawworks with air tube clutch for shifting;
气胎离合器换挡绞车的设计与计算
In the areas of the Bouyei,Guizhou Province,the technologies of wax printing,Fengxiang printing,bean milk printing and tieddyeing inherit comprehensively the printing technologies of the Laxie,Jiaxie,Jiaoxie,the three Chinese ancient printing dyeing ones.
贵州布依族地区的蜡染、枫香染、豆浆梁、扎染等工艺,全面继承了我国古代蜡缬、夹缬和绞缬三大印染工艺。