【单选题】Tianjin is the city that owns assembly line for large aircraft.
【简答题】Modern aircraft are so heavy that the wings must develop a very large lift force in order to sustain the aircraft.
【判断题】The aircraft can fly fast because of its large frame.
【判断题】西湖龙井茶的树种主要是:龙井群体种和龙井43号。
【单选题】词汇与结构 The function of the electrical system on a large transport aircraft is to generate, regulate, and distribute ________ power throughout the aircraft.