CHL found abnormal leakage, the extension line to find the source of leaks before and after the hand valve is closed first and then make a temporary treatment site.
ChL leakage anomaly was found, the extension line found the leaking water source and then closed its front and rear hand valves before the site to do temporary treatment.
In case of abnormal CHL water leakage, close the front and rear hand valves of the extension pipeline first after finding the source of water leakage, and then conduct temporary treatment on site