Technical requirement on the shaft repair of inland river ship 内河船舶轴系修理技术要求
Technical requirement on product reception of mechanical seal 机械密封.产品验收技术条件
Technical requirement on the steering repair of inland river ship 内河船舶舵系修理技术要求
Technical requirement on the propeller repair of inland river ship 内河船舶螺旋桨修理技术要求
Technical requirements on cleaning hydraulic system in ship - repairing 船舶液压系统修理清洗技术要求
Types and technical requirements on freight cars of the new generation 新一代货车的类型及其技术要求
Technical requirements on precision hot forgings of straight bevel gear 直齿锥齿轮精密热锻件.技术条件
Technical requirements on mechanical and weathering properties for pvc windows 塑料窗力学性能耐候性技术条件
Preparation of hard coal ; preparation plants ; process technical requirements on preparation equipment 选煤.选煤设备.选煤设备工艺技术要求
There are some technical requirements on grinding to at welding joints , the author proposes some solutions , aiming at improving the efficiency of at welding and the quality of the finished at welds 对钢轨铝热焊接接头打磨预留量,以及打磨中出现“鞍形”磨耗、打磨发蓝、烧伤的原因进行分析,并提出解决措施,以提高铝热焊接方法的效率及焊头质量。