The specific method is the belt roller group to which side, which side of the belt toward the direction of forward or backward on the other side.

具体方法是皮带偏向哪一侧，托辊组的哪一侧朝皮带前进方向前移，或另外一侧后移。

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Roller coaster and jumping machine is the car itself has a speed, and then take your body forward, the whole person is back.

过山车和跳楼机都是这个车本身有一个速度，然后带着你的身体往前冲，整个人属于后仰状态。

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The cause of cracks on the pulling straightening roller is analyzed and some remedies are put forward.

分析拉矫辊产生裂纹的原因，提出了相应的改进措施。

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Just as quickly as it begins, the song transitions into a lighter, cheerier chorus and then jets forward once again, turning "Petrula the Destroyer" into an unexpected roller coaster that, like much of Pontus, the Devil, and Me, travels successfully between multiple pop-rock moods and styles.

NPR: Love In October: 'Petrula The Destroyer'

There was a good roller coaster with loops, where you are lying horizontally, face forward, like you are flying.

FORBES: Connect