名词
中文翻译：Unknown
同义词：
['black primer', 'black sealer', 'black paint例句：1. The black backing varnish is essential for the finishing of the wooden furniture.（黑色背衬清漆对于木制家具的最终处理是必不可少的。）2. The black backing varnish was applied to protect the wood from moisture and wear.（黑色背衬清漆被涂在木材上，以保护木材不受潮湿和磨损的影响。）']
例句：
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1. The black backing varnish is essential for the finishing of the wooden furniture.
黑色背衬清漆对于木制家具的最终处理是必不可少的。
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2. The black backing varnish was applied to protect the wood from moisture and wear.
黑色背衬清漆被涂在木材上，以保护木材不受潮湿和磨损的影响。
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3. The black backing varnish has a glossy finish that enhances the beauty of the wooden furniture.
黑色背衬清漆具有光泽的表面，增强了木制家具的美观度。