non return meaning in Chinese
不归零制(磁记录)
止回
Examples
- Shipbuilding . discharges with non return valve . general manufacturing conditions
造船工业.带止回阀排放装置.通用制造条件 - Nrz non return to zero
不归零制 - Technical specifications for valves for shipboard use - part 5 : cutt off type non return valves
船用阀门技术规范.第5部分:截止止回阀 - Non return valves for shipboard use , cutt off type , of cast iron , with flanges , dn 15 to 500
造船用dn15至500规格的带法兰的铸铁单向阀 - Non return valves for shipboard use , cutt off type , of gun metall , with flanges , dn 15 to 500
造船用dn15至500规格的带法兰的截止型炮铜单向阀