名词
中文翻译：Unknown
同义词：
['reverse gearing', 'counter-gearing']
例句：
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1. The car's engine has been backgeared to increase its efficiency.
这辆车的引擎已经被反向增力，以提高效率。
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2. The engineer adjusted the machine's backgearing to improve its performance.
工程师调整了机器的反向操作，以提高其性能。
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3. The company implemented a new system to backgear its operations for better profitability.
公司实施了一个新的系统来反向增加其操作，以获得更好的盈利能力。