non-return

Working medium inlet and exhaust non-return valves balance hole for Stirling engine is introduced.

对热气机工质进排气 单向阀 平衡孔作了简介.

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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.

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Non-return valve ( including the end of valve )-used to automatically prevent the backflow tube medium.

止回阀 ( 包括底阀 ) — 用于自动防止管道内的介质倒流.

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Single drainage pumps have the potential intrusion should set up a non-return valve.

单台水泵排水有可能发生倒灌时,应设止回阀.

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Application of Rubber Non-return System on Overflow Gates

橡皮止水润滑系统在溢流闸门上的应用

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Non-parametric estimations reveal that the fat tail of the distribution of stock return satisfies power law decay.

非参数估计显示股票收益分布的非正态性及肥尾现象，其尾部满足幂律衰减。

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In case of non-delivery, return to ( the ) sender.

( 邮件用语 ) 无法投递时, 退回原处.

《现代英汉综合大词典》

Including the structure of the non-return valve.

包括各种结构的止回阀.

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Check valve is also called the reflux valve, non-return valve.

止回阀又称为逆流阀、逆止阀 、 肯压阀、单向阀.

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Headstock piece on media flows and forces open or closed to prevent backflow valve media called a non-return valve.

启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的调节阀叫止回阀。

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In the flow out system, the flow lines between tank and filling hose are installed in straight line and are equipped with a non-return foot valve at the end to the tank.

出油系统中，油罐与加油机之间的出油管呈直线布置，出油管在罐内的末端须加单向底阀。

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Unipolar non-return-to-zero ( NRZ ) waveform and its power spectrum.

单极性不 归零码 ( NRZ ) 的波形及其功率谱.

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Code of events to Huawei Type, indicating that the employers of non-fixed term labor contract system misgivings, fearing return to the past "Iron rice bowl" era.

以华为事件为典型，说明了用人单位对无固定期限劳动合同制度心存顾虑，担心回到过去的铁饭碗时代。

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