1·These include spars, skins, ribs, stringers, etc., and integral fuel tank structures.
这些包括梁,蒙皮,肋,纵梁等,还有整体油箱结构。
2·Q6: usually, they should be framed into floorbeams. but if they are supported on the top flanges of the floorbeams. it is desirable that the stringers be continuous over two or more panels.
通常它们相互联系构成横梁。但是,如果它们支撑在横梁顶缘,则纵梁最好要连续跨越两个跨度以上的桥面板。