base sheet meaning in Chinese

底图
基本圆
基片

Standard specification for ketone ethylene ester based sheet roofing
酮乙烯酯基薄板屋面材料标准规范
Standard specification for asphalt - coated glass fiber base sheet used in roofing
屋面用沥青覆层的玻璃纤维基薄板的标准规范
Standard specification for asphalt - coated glass - fiber venting base sheet used in roofing
屋面材料用沥青涂覆玻璃纤维通风薄基板标准规范
Standard specification for asphalt - saturated and coated organic felt base sheet used in roofing
屋顶用沥青浸透与涂覆的有机毡基底片材的标准规范
Standard specification for atactic polypropylene modified bituminous base sheet materials using glass fiber reinforcements
用玻璃纤维加筋法测定无规立构聚丙烯改良沥青基薄板材的标准规范

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