单词	cost ration
释义	cost ration 成本定额
随便看	curved transilluminator curved trash rack curved tread bar curved triangulation curved surfaces curved surface screen Curved surface screen printing machine curved surface segment curved surfaces modeling curved surface smoothing method curved surface stamping parts curved surfave machining curved switch curved swollen songue curved sympathectomy dissector curved tail curved taper curved target curved teeth curved tempering curved tendon curved thin-shell roof curved three-dimentional wellbore curved timber curved truss