要求操作员执行这些动作，判断不应该触发的属性是否被触发。
Ask the operator to make the gesture, and determine if properties fire that should not.
要求操作员执行这个动作，然后在test组件中检验结果。
Ask the operator to make this gesture, and then check the result in the test component.
堆积机可提升卸载高度，可以让操作员从重复性的弯腰动作中解脱出来。
AS-200 stackers feature elevated discharge, which frees operators from repetitive stooping and bending.
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