The correlation between the diameter of the front lateral root of Staghorn sumac and its basal diameter, crown width and height is more significant than that of the back part of the lateral root.
火炬树子株前端水平侧根直径与其地径、冠幅、树高的相关性高于后端水平侧根直径；
Personified mechanic massage hands in the back, various function of kneading, flapping and tapping, each of which have three part speed for choice and the massage rollers width adjustable.
靠背配置人性化按摩机械手，具有揉捏、拍打、揉捏拍打联动、指压、敲击等功能，各功能具备三档速度调节和按摩轮宽窄调节。
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