launchv.发起；推出（新产品）；发射；使(船)下水n.发射；产品推介launching cable牵索launch platform发射平台launching power起动功率launching fiber发射光纤launch sequence发射次序launching point始发点launching shock发射冲击Launch vehicles运载火箭launch strength发射强度launching range发射距离,( 火箭 ) 靶场