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[机]单向阀，止逆阀；单向活门
1、valve───vt.装阀于；以活门调节；n.(Valve)人名；(俄、芬)瓦尔韦；n.阀；[解剖]瓣膜；真空管；活门
2、financial return───财政收益
3、return back───返回
4、shareholder return───股东报酬；股东回报
5、citor valve───citor阀
6、non───adv.非，不；n. (Non)（美、泰）嫩（人名）
7、refilling valve───加注阀
8、tax return───[税收]纳税申报单；n.纳税申报单
9、return───n.返回；恢复；归还；（网球等）回击球；被退回的东西；回路导线；v.返回；（尤指感觉）恢复；把……退回；以……相报；（网球等）回击（球）；adj.来回的；巡回的；报答的；回程的；返回的
1、Steadiness of Non-return Valve against Additional Disturbance───外干扰下扑板式止逆阀的稳定性
2、The heated oil-injected compressed air, presses through the non-return valve in to the oil separator───把热的压缩空气，从单向阀压缩至油品分离器中
3、First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler.───首先，能过作为一个自动逆止阀，防止蒸汽从主蒸汽加热器上倒流到锅炉里。
4、Place the pump above water level to protect water from flowing backwards, otherwise it should be fit with a non-return valve.───使用过程中，该机应高于水位，或加止流阀，以防水倒流。
5、transfer line should be equipped with a non-return valve or other suitable alternative.───转移管线上须配备止回阀之类的装置。
6、Water pumps at the end of the relevant type of valve is also a non-return valve.───水泵吸水关的底阀也属于止回阀类。
7、Setting of Non-return Valve in the Fire Fighting and Water Supply System───消防给水XiTong止回阀的设置
8、Can be installed or custom built non-return valve function of the valve.───可安装止回阀或订制自带止回功能的阀。
1、To prevent back-circulation, a non-return valve should be fitted into the pipe connected to the bottom of the solar panel.
2、The sealing sections of non-return valve ball seat were separated, material was changed into zirconium oxide ceramic, 0.