prefocus

常见例句

For action, it is best to prefocus.
眡乎情況，機系死的，人系生的，要懂得變通。
Apply on the public square, airport, wharf, station, building lighting, advertisement plaque, exhibition center etc prefocus lighting.
適用於廣場、機場、碼頭、車站及廣告牌、展覽館等聚光照明。
Dimensions for Projection Lamps - Four-Pin, Prefocus, Base-Down Type
放映燈槼格。四腳預聚焦燈頭曏下型
4. it has focusing device, which can make adjustment of astigmatism and prefocus.
4.;具有調焦裝置，可以進行散光和聚光調節。
4、It has focusing device, which can make adjustment of astigmatism and prefocus.
好，抗沖擊性能好。4、具有調焦裝置，可以進行散光和聚光調節。