单词	graded signal
释义	graded signal 分级信号
随便看	group target merging group target splittlng group task group tax relief group teaching group-teaching method group teaching of vocality group team management group technique group techniques group technology Group Technology Characterization Code group technology code group technology database group technologygt group technology gt group technology GT group technology system and cims group teehnology group teeming car group telecommunication group telephone group terminal group terminal bay group terminal block