One is the same downstream products that can be gotten from ethylene and propylene,such as chloroethylene, vinyl acetate and acrylic acid, etc.是什么意思_One is the same downstream products that can be gotten from ethylene and propylene,such as chloroethylene, vinyl acetate and acrylic acid, etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句