This product by inside cloth of curtain of sub, polyamide fibber, outside sphere of sub compound balata and pine cover metallic flange composition.是什么意思_This product by inside cloth of curtain of sub, polyamide fibber, outside sphere of sub compound balata and pine cover metallic flange composition.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句