单词	primary focal length
释义	primary focal length 前主焦距,前焦距
随便看	automatic central refuse collection system automatic centre automatic centre punch automatic centrifuge automatic centrifuge for blood cell washing automatic centring automatic centring device automatic centroid detection automatic certification automatic chalk line box automatic changeover automatic change over automatic change-over automatic changeover control automatic changeover switch automatic change-over switch automatic changes of budgeting automatic changing line automatic channel assignment automatic channel numbering automatic channel selection automatic channel switch automatic channel switching equipment automatic channel swith automatic character generation