兩秒后將燃?xì)饪ò纬觯梢钥吹奖韮?nèi)已被充值3立方燃?xì)饬耍_定表內(nèi)剩余燃?xì)饬浚@示的數(shù)字為剩余燃?xì)饬浚^5秒燃?xì)獗頃?huì)發(fā)出報(bào)警聲,