Epdm
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
Where?
在哪？
What do you want to do after graduation?
你毕业后想干什么？
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，