linear friction welding造句

In this position he was responsible for the development of new equipment, primarily linear friction welding machines, but also friction stir welding machines and rotary friction welding machines.
He was a project leader in the friction and forge process group at TWI in Cambridge, UK . He conducted high level research in friction welding, linear friction welding and related processes for international and national aerospace companies, such as Boeing ( US ), Rolls Royce ( UK ) and Embraer ( Brazil ).
It's difficult to find linear friction welding in a sentence. 用linear friction welding造句挺难的