normalairn.标准空气normaladj.正常的；正规的；精神健全的n.常态；标准normal additives常规添加剂normal students'normal residence[法] 永久住所normal aggregate普通骨料normal potential标准电势,标准电位normal extrusion常规挤压normal threading正常穿带normal real form正规实形式,正规实型normal graduates师范毕业生normal viscosity正常粘度