When the supersaturation is increased, elementary steps begin bunching together. At the initial bunching stage, the step height and step width are increased.
增大过饱和度， 基本台阶开始聚并， 聚并初期， 台阶高度增加， 进而台阶宽度增加；
The walking elevator has the function of extending the step width, strengthens the flexibility and the extensibility of the walking elevator, and is convenient to use for the user.
本实用新型的手扶电梯，具有可扩展阶梯宽度功能，增强了手扶电梯的灵活性和可扩充性，方便用户使用手扶电梯。
This paper brings out feasibility and applicability to make change drive of double step sliding gear by moving one gear width along axis under conditions of Corresponding ratio of gear.
本文阐述了双联滑移齿轮在适当传动出情况下，轴向移动一个齿轮宽度就可以进行变速的可行性及适用场合。
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