The type and content of non-halogen flame retardant were used for preparing non-halogen flame-retardant ABS by melting extrusion.是什么意思_The type and content of non-halogen flame retardant were used for preparing non-halogen flame-retardant ABS by melting extrusion.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句