例句與造句

1. Following initial testing, two boundary layer fences were installed on the outer wings of the SE . 2415; underwing spoilers were also tested.
2. "' Wing fences "', also known as "'boundary layer fences "'and "'potential fences "'are fixed stalling at once, as opposed to wingtip devices, which increase aerodynamic efficiency by seeking to recover wing vortex energy.
3. It's difficult to find boundary layer fence in a sentence. 用boundary layer fence造句挺難的