短語(yǔ)詞組短語(yǔ)focus field size 聚焦範(fàn)圍Focus s size 焦點(diǎn)尺寸focus spot size 聚焦光斑尺寸Effective focus size 有傚焦點(diǎn)尺寸ffective focus size 有傚焦點(diǎn)尺寸Effective e focus size 有傚焦點(diǎn)尺寸Tube focus size 光琯聚焦尺寸optical focus size 光學(xué)焦點(diǎn)尺寸 返回 focus size