名词短语
中文翻译：操作标志
同义词：
['manual controls', 'operating instructions']
例句：
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1.The operation signage is clear and easy to follow.
操作标志清晰易懂。
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2. The engineers need to operate the machine according to the manual controls.
工程师需要按照操作指南来操作机器。
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3. The operation signage helps to ensure safety during the construction process.
操作标志有助于确保施工过程中的安全。