Then they made clay tortillas and pressed them into big plaster molds for the base, just like the ones I used.
然后他们做成土团，把它压进胶泥模子里坐底儿，就像我以前用的那些模子。
2
This paper mainly studies the production process of modified plaster gel base straw composite and coupling agent modification mechanism on compound interface.
本文主要研究改性石膏凝胶基麦秸复合材料的制备工艺及偶联剂对复合界面改性的机理研究。
3
The whole technology process for casting the zinc base alloy patterns by plaster mould is also discussed.