WD615柴油机拆装关键点Key Points about Asmbling or Disasmbling WD615 Diel Engines Di bli WD615Di l E i红薯做菜培训资料鲨鱼种类Training Material目录Contents1、喷嘴、凸轮轴、汽缸套的装配Asmble Injection Nozzle, Camshaft and Cylinde
poduoyejieyi§2 螺纹联接Screw joints§2-1 联接类型和螺纹联接简介Types of the joints and screw joints§2-2 螺纹联接的拧紧和防松frpTightening and preventing unscrewing of screw joints §2-3 螺纹组联接的受力分析Forces
吊钳使用说明书Instruction for the manual tongs一、 简介General吊钳按中华人民共和国石油天然气行业标准SY5035—91《吊钳》设计制造，供钻井起下钻时拧紧或卸开钻杆、钻杆接箍、接头、套管或套接箍之用工具。可通过更换扣合钳（Lug Jaw）并变换各扣合台肩或孔眼来改变扣合尺寸。根据使用要求可选择不同扭矩等级的吊钳。The manual tongs are de
