diagnosis faulty on line

• 在线监测

diagnosis faulty on line的用法和样例：

例句

1. Obviously, without measuring the flow or the exhaust steam dryness, the heat consumption rate and the dryness of the units can be monitored on line relatively accurately.
   该方法不用测量流量，也不用测量排汽干度，就能比较准确地在线监测机组热耗率和排汽干度。