OPW 1600 Series Sight Flow Indicators are manufactured of quality materials and safety tested to assure long, dependable service at economical prices.
OPW 1600系列可视流量指示器有优质的材料制造，经过安全测试，以经济的价格保证长期可靠地服务。
OPW 1600 Series Sight Flow Indicators are manufactured of quality materials and safety tested to assure long, dependable service at economical prices.
OPW 1600系列可视流量指示器有优质的材料制造，经过安全测试，以经济的价格保证长期可靠地服务。
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