Results:(1) The flow rate of stimulated whole saliva in youth group was significantly higher than that in middle-aged, aged and macrobian groups(P<0.05).
结果：（1）青龄组刺激性全唾液流速高于中龄组、老龄组、长寿组（P<0.05）；
Japanese JTEKT faces the automatic transmission system of the car and case of infinitely variable speeds, rolled out axis of macrobian life planet to use needle bearing.
日本JTEKT面向汽车的自动传动系统和无级变速箱，推出了长寿命行星轴用滚针轴承。
Japanese JTEKT faces the automatic transmission system of the car and case of infinitely variable speeds, rolled out axis of macrobian life planet to use needle bearing.
日本JTEKT面向汽车的自动传动系统和无级变速箱，推出了长寿命行星轴用滚针轴承。
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