backing coat英语标准发音:backing coat英式发音:美式发音:翻译中文底涂层backing coat - 基本释义[词典1]底漆层底面涂层backing coat - WEB词典backing coat底面涂层backing g coat底面涂层sheet t backing coat薄板背衬面层 参考资料: 1.百度翻译:backing coat2.有道词典:backing coat3.爱词霸:backing coat