extrusion process的用法和樣例：
例句
- In the extruding process, vesicant is injected at high pressure.
在擠壓過程中，發泡劑，注入在高壓力。 - The key works and the process characteristics.technique parameters,billet quality and improvement ofcontinuous casting for bearing steel in developed countries are introduced.
介紹了國外採用連鑄工藝生產軸承鋼的主要公司和廠家的有關工藝特點和參數以及鑄坯質量和改進措施。
