JJG (Water Resources) 004-2015 Verification Regulation for Open Channel Weir and Flume Flowmeters
明渠堰槽流量计分体式超声波液位计污水流量计种类水位传感器厂家
JJG(Water Resources)004-2015 Open Channel Weir and Flume Flowmeter Verification Regulation
JJG(Water Resources)004-2015 《Verification Regulation for Open Channel Weir and Flume Flowmeters》This regulation was approved by the Ministry of Water Resources of the People's Republic of China on2015-03-09, and came into effect on2015-06-09.
