壳体开孔 meaning in English
opening in shell
Examples
- A saddle - shaped hole grooving machine for pressure vessel was introduced . a method for processing saddle groove and the designing of a technical background were put forward
摘要介绍了一种压力容器壳体开孔马鞍形坡口加工机械的设计背景技术，给出了马鞍形坡口加工的一种实现方法。