Điện - Điện tử - Viễn thông
GEARS AND GEAR TRAINS - INTRODUCTION, TYPES, NOMENCLATURE, FORMS, LAW OF GEARING, INTERFERENCE, INTERCHANGEABLE GEARS, NON-STANDARD GEARS, HELICAL AND SPIRAL GEARS, WORM AND WORM GEAR, GEAR TRAINS, AUTOMOBILE TRANSMISSION GEAR TRAINS ĐIỂM CAO