行程上下限均附安全距离设定，紧急停止键，程序力量及伸长设定，试件破坏感测。

Stroke protection, Force and Elongation protection, Emergency stop device, Sensing device when specimen is destroyed.

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换能键：电脑键盘上用来走出一个模式或例行程序或取消一些功能的键。

Escape key: a computer keyboard key that is used to exit a mode or routine, or cancel some function.

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全尺寸、全行程的、带有柔软的导轨滑块的触摸反馈键。

Full size, full travel, tactile feedback keys with soft end-stop.

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