This paper proposed a general idea for the resolution of this type of question by the example of the typical seam under geometric restriction of missile eng.

以火箭发动机典型的几何约束焊缝为例，提出了通用的求解思路。

youdao

Eng Huat joined the Workers' party in 2006 and helped the party in the General Elections that year.

荣发于2006年加入工人党，并在同年大选中协助工人党竞选。

youdao

Canadian firm Med-Eng is building jammers for the Marines, reports military contractor General Dynamics.

CNN: Jamming systems play secret role in Iraq