指示器的例句（指示器在句子中的用法）

• There is infer - red ray alignment instrument previewing the position and cutting. 有红光指示器,便于定位及切割预览.
• A light pointer is often useful with a slide projector. 光指示器经常与幻灯片放映机一起使用.
• On valves controlled remotely, the position indicators may be used for microswitch contact. 当阀门处于远程时, 位置指示器可用于微动开关接触装置.
• Pupil dilation is an honest indicator of interest and attraction. 瞳孔放大是兴趣和吸引的真实”指示器“.
• The laser target designator has two functions which are guidance and range finding. 激光目标指示器的两个主要功能是为寻的武器提供目标指示和测距.