Global Online Machine Condition Monitoring Equipment Market By Type (Vibration Sensors , Infrared Sensors , Spectrometers , and Ultrasound Detectors), By Application (Oil & Gas , Power Generation , Metals & Mining , Chemicals , Automotive , Aerospace & Defense , Food & Beverages , and Marine), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029