In order to open the cover of a concentric canister launcher (CCL) automatically with the jet during its launching, four schemes are put forward, viz.

• 燃气流公共排导是当今舰载导弹垂直发射装置最为常用的一种燃气排导模式,同心筒技术是近年来新兴的一种垂直发射技术。