基本解释n. （构成房屋曲木屋架的）曲木词组短语短语electromagnetic cruck detector 电磁探伤器英英字典柯林斯英英字典 one of a pair of curved wooden timbers supporting the end of the roof in certain types of building 专业释义交通运输工程（构成房屋曲木屋架的）曲木