prefocus

常見例句

For action, it is best to prefocus.
視乎情況，機(jī)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.
適用于廣場(chǎng)、機(jī)場(chǎng)、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
放映燈規(guī)格。四腳預(yù)聚焦燈頭向下型
4. it has focusing device, which can make adjustment of astigmatism and prefocus.
4.;具有調(diào)焦裝置，可以進(jìn)行散光和聚光調(diào)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(diào)焦裝置，可以進(jìn)行散光和聚光調(diào)節(jié)。