名词中文翻译
中文翻译：涂层
同义词：
['undercoat', 'primer']
例句：
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1.The new paint job requires a sub-coating before the main coat is applied.
新的油漆工作需要在主涂层应用之前先涂一层底漆。
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2. The car was given a fresh coat of paint after being stored for several years.
这辆车在存放了几年后被重新涂上了油漆。
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3. The painter used a special undercoat to ensure the final finish was smooth and even.
这位画家使用了一种特殊的底漆，以确保最终的涂层平滑且均匀。