名词
中文翻译：手动操作
同义词：
['manual', 'manual operation', 'manual control']
例句：
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1. The engineer performed the manual manipulation of the machine to ensure it worked correctly.
工程师执行了机器的手动操作，以确保它正确运行。
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2. The doctor performed a manual manipulation to relieve the patient's pain.
医生进行了手动操作以缓解病人的疼痛。
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3. During the construction project, workers had to perform manual manipulations to lift heavy materials.
在建设项目中，工人们必须进行手动操作来举起重物。