..............page:30-32,35
..............page:5-7,10
Analysis of drift level on 100% position of spectrophotometer
zhang lai ning 1; wang yun tian 2; liu xiu ting 3 (1 shanxi design and research institute of mechanical and electrical engineering; taiyuan 030009 ; china; 2 yuanping hoisting & transporting machinery general plant; yuanping 034100; china; 3 yuanping h
..............page:39-40
The repair welding procedure of the hammer
zhao zhi ying 1; wu zhi sheng 2; huang jia hong 3 (1 taiyuan chemical factory; taiyuan 030021; china; 2 taiyuan heavy mach inst ; taiyuan 030024; china; 3 taiyuan heavy mach fact ; taiyuan 030024; china)
..............page:20-21
..............page:11-12,16