[摄] 焦距调整 focal length setting: 焦距调节focal setting: 焦距调整; 焦距装定focal length: 焦点距离; 焦距透镜的; 局部长度focal distance, focal length: 焦距abnormal focal length: 反常焦距下载手机词典可随时随地查词查翻译