为应用的部分操作增加触控板手势支持。
Support trackpad gestures for appropriate actions in your app.
机顶圆盘式交互压脚，调节旋钮和机身正面压脚提升板手，使操作调节轻松简便；
The top dial typed presser foot regulator together with presser foot lever assures easier operation;
各种开关量的组合，按标准由面板手动操作组合及正常状态和单一故障状态的测试。
Various kinds of switch volume can be adjusted according the standard of the panel manual operation combination and normal status and single trouble status testing.
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