Copolyether
共聚多醚
🗣️ 情景例句
I gave them to Robbie to hold
我把它们交给Robbie拿着
We are sorry to delay the shipment because our manufacturer has met unexpected difficulties.
恕延期货船，因为我们厂家遇到了预料不到的困难。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。