第四: fourth接触: come into contact with; get ...上: upper; up; upward第四类接触(下): ascension第四类: fourth class第四类程序: type 4 programming第四类业务: fourth window第三类接触: ce3k; close encounters of the third kind; close encouters; contact; the close encounter of the third kind; watch the skies第一类接触: star trek viii first contact; star trek: first contact第四类lu-lu对话: lu-lu session type 4第四类的突变: phase iv; phaseh iv第四类危险品: class iv dangerous goods测试仪符合第四类: cat iv第四类程序设计: type 4 programming第四类防伪技术: fourth class techniques第四类空中目标: group iv target第四类四相平衡图: class iv quaternary equilibrium第四类五相平衡图: class iv quinary equilibrium第四接触轨: fourth rail星际旅行viii:第一类接触: star trek: first contact星舰迷航记-第一类接触: star trek viii first contact星舰迷航记08-第一类接触: star trek08- first contact上: 上名词[语言学] (指上声) falling-rising tone第四接触轨绝缘子: fourth-rail in sulator禽类接触传染性卡他, 家禽白喉: contagious catarrh of fowls