unusualadj.异常的;独特的;与众不同的
unusual gas emission瓦斯异常涌出
Unusual gas collection非寻常的积气
unusual end of program[计] 程序异常结束
unusual classification异常分类
unusually enthusiastic异乎寻常地热心
Unusual Aerial Sighting非常空中瞄准
unusual damping orifice异化阻尼孔
unusual pressure-rise异常升压
unusual internal organs奇恒之腑
unusual characteristics异常特征