固体火箭助推器
/ˈsɒlɪd ˈɹɒkɪt ˈbuːstə/
n
English: solid rocket booster · 固体火箭助推器
English · solid rocket boosterEspañol · cohete de combustible sólidoFrançais · fusée à propergol solide
释义：Solid-fuel thruster that provides most of the lift during the first few minutes of flight, after which it separates.