... 灞改善自然频率Improvement of Natural Frequency 调低倾斜Lower Tilt 调高倾斜Upper Tilt ...
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Lower pivot tilt steering columns 中枢倾斜式转向柱
·2,447,543篇论文数据，部分数据来源于NoteExpress
The wedges increased the forward tilt of the pelvis, which reduced pressure on the lower lumbar discs and the muscular effort required to maintain good posture, researchers said.
WSJ: Back Pain: Not Just for Adults
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