canned sight meaning in English

电视广播用的电影片
电视广播用的电影软片, 电视节目中播入电影片的节目
电视广播用影片

In normal operation , the loop with max . temperature will be shown , but users can sight temperature on any loop through keystrokes on panels . due to adopt 2 - wired international standard signal it possible to communicate with pc or secondary instrument and have strong anti - jamming performance
三回路数字显示控制仪可同时输入三路同一种输入类型的信号，由三个数码屏分别显示，仪表可带rs485或rs232通讯接口，或三个继电器分别对应三路输入信号的报警输出