名词
中文翻译：田野分界开关
同义词：
['farm boundary switch', 'field boundary switch']
例句：
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1. The farmer usedthe field break-up switch to control the tractor's speed.
农民使用田野分界开关来控制拖拉机的速度。
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2.During winter, the field break-up switch is activated to prevent soil from freezing.
在冬季，田野分界开关被激活以防止土壤结冰。
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3. The farmer used the field break-up switch to separate the crops from the weeds.
农民使用田野分界开关将庄稼与杂草分开。