coal tar felt coating是什么意思，coal tar felt coating的翻译，coal tar felt coating音标、读音、用法和例句

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coal tar felt coating是什么意思，coal tar felt coating的翻译，coal tar felt coating音标、读音、用法和例句_绍翊字体网有道词典

coal tar felt coating

基本解释

专业释义

能源科学技术