A PHOTOELASTIC ANALYSIS ON THE FORCES ACTING ON GEAR TEETH OF THE CYCLOID DISK OF THE BW180 GYCLOID SPEED REDUCER是什么意思_A PHOTOELASTIC ANALYSIS ON THE FORCES ACTING ON GEAR TEETH OF THE CYCLOID DISK OF THE BW180 GYCLOID SPEED REDUCER在线翻译_英语_读音_用法_例句