prefocusing

常見例句

• 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(jié)。
• 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(jié)。
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