The design features of cold rolling geers for small module involute spline shafts .
圆柱直齿小模数渐开线花键冷滚轧成型技术。
Corolla lobe margin usually narrowly involute , valvate or induplicate .
花冠裂片边缘通常狭内卷，镊合状或。
Invisible economic problem makes this multifarious already countryman economy reachs industrial structure more hasten is involute , violated the economic order with normal country badly , bring difficulty to economic management .
