Pulley-centered CVTs use an ingenious and easy pulley structure. Photograph courtesy Nissan World Peer into a planetary computerized transmission, and you'll see a fancy world of gears, brakes, clutches and governing products.기여하신 문서의 저작권은 각 기여자에게 있으며, 각 기여자는 기여하신 부분의 저작권을 갖�