Eptfe
abbr. expanded polytetrafluoroethylene 多孔（泡沫）聚四氟乙烯
🗣️ 情景例句
And tell them you want to go on the tour that goes down into the canyon.
跟他们说你要参加到峡谷里去的旅游团。
What is your hurry?
什么事让您这么着急呢？
Yes, and full payment is due within 30 days.
是的，如果在30天骨付款就没有折扣。