单词	king post shaft
释义	king post shaft 主柱轴
随便看	universal attachment Universal Attraction and Universal Repulsion universal authentication universal autocollimator universal autograph universal auto hydraulic sole attaching machine universal auto level universal automatic computer universal automatic control and test equipment Universal Automatic Map Compilation Equipment universal automatic spring coiling machine universal automation universal auto parts universal avometer universal axial expansion joint universal axial vector fermi interaction universal azimuth indicator universal background universal background model universal back rest universal back rest for natural childbirth universal bactericide universal balancing machine universal bale press for fibre universal ball