nacelle structure造句

例句与造句

1. The resultant force caused a four-inch gap in the B-2 nacelle structure which also damaged low pressure helium lines.
2. This failure was traced to improper separation of the right launcher hold-down pin, which damaged the B-2 nacelle structure and caused helium pressurization gas to escape during ascent.
3. It's difficult to find nacelle structure in a sentence. 用nacelle structure造句挺难的