Размер видео: 1280 X 720853 X 480640 X 360
Показать панель управления
Автовоспроизведение
Автоповтор
Excellent
dixonte Mottta machine
Hanzhen harmonic drive gear , strain wave reducer, robot gear joint, over 30 years experience
what
Excellent
dixonte Mottta machine
Hanzhen harmonic drive gear , strain wave reducer,
robot gear joint, over 30 years experience
what