“桥式滤水器是国外近年来的新产品,在国内试制成功还是第一次,它是我国水井行业的一项创新产品”这是去年十月全国水井钻井情报网年会期间,各地专家对我省送审的QG—1型桥式水井过滤器样品的高度评价。这项新型水井滤水装置是由东北农学院讲师程凌云同志与哈尔滨市水利局、阿城县低压电器 “Bridge-type water filter is a new product abroad in recent years, the successful trial in the country for the first time, it is an innovative product of China’s well industry” This is the last October National Well Drilling Information Network annual meeting, experts from around the country High quality evaluation of QG-1 bridge well filter samples submitted for trial in our province. This new type of well water filtration device is a lecturer from Northeast Agricultural College Comrade Cheng Lingyun and Harbin Water Conservancy Bureau, Acheng County low voltage electrical appliances