名词
中文翻译：调节器
同义词：
['regulator', 'adjustor']
例句：
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1. The engineer adjusted the damper to improve the sound quality.
工程师调整了调节器以改善音质。
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2. The car's engine needs adjustment before it can be driven.
这辆车的引擎在能被驾驶之前需要调整。
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3. The doctor adjusted the patient's position to relieve his pain.
医生调整了病人的位置以减轻他的疼痛。