..............page:105-120
..............page:121-124
..............page:125-131
bo dao chuan dong de shi zhi ji fen xi
The Harmonic Drive Research Group Composed of the Mechanical Engineering Department in Talien Engineering Institute and the Technique Group in Talien Miniature Electrical Machine Works.
..............page:62-80
jin po bo bo lang li
The Group of Investigation of the standard of Hydrology for Design Harbours;Harbour Engineering Speciality
..............page:81-104