1、

Including the structure of the non-return valve.

包括各种结构的止回阀.

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2、

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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3、

non-return to the policies and practices of the past;

不回到过去的政策和作法;

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4、

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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5、

too little retract to cause the non-return valve closing unstably

回吸太小造成止回阀关闭不稳定

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6、

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。

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7、

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。

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8、

non-return part of the quality of reasons: to pay suppliers procurement costs arising from the loss.

非质量原因退货部分:偿付供货方采购所产生的费用损失。

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9、

stop check valve ; non-return valve

切断式止回阀|

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10、

setting of non-return valve in the fire fighting and water supply system

消防给水系统止回阀的设置

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11、

the invention relates to a valve, in particular to a non-return pressure-reducing valve.

本发明涉及一种阀,特别是一种止回减压阀。

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12、

artificial insemination of animals. method of calculation of the non-return rate for bulls.

动物人工授精.牛的不受孕率的计算方法

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