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082018-05It is reported that on April 21st, the Beijing Customs (formerly the Beijing Entry-Exit Inspection and Quarantine Bureau) together with the Beijing Municipal Science and Technology Commission and the China Instrument...
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052018-05How to connect the entire valve and pipeline or equipment, this problem can not be ignored, because the valve running, running, drip, leakage phenomenon, the vast majority occurred here.
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282018-04Liu Zhenjiang, secretary of the China Iron and Steel Association Party Committee and Secretary General, said at the press conference of the China Steel ...
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202018-04The principle of maintenance during the operation of the valve is as follows: 1 Keep the outside of the valve and the active part clean and protect the integrity of the valve paint. The surface of the valve, trapezoidal threads on the stem ...
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122018-04On the 28 day, according to the official disclosure of the Lanzhou University of Technology, the first domestic 600 ℃ high temperature liquid lead bismuth alloy transmission shielding pump made by the ......
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072018-04Block chain technology is one of the most cutting-edge technologies in the information technology industry, which has attracted great attention from all walks of life.
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242018-03Taboo 1: the main materials, equipment and products used in construction, and lack of technical quality identification documents or product qualification certificates conforming to the current standards issued by the state or department...
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292018-01At present, the butterfly valve, as a component used to realize on-off and flow control of pipeline system, has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. In the ...
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292018-01At the same time with dynamic balance and electric adjustment of two functions, and two functions simultaneously. The dynamic balancing electric regulating valve is installed on the return pipe of the combination air conditioner ...
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292018-01Recently, Zhejiang Province Bureau of Quality and Technical Supervision letter of reply, "Zhejiang Provincial Bureau of Quality and Technical Supervision on the consent of Zhejiang Provincial Valve Standardization Technical Committee ...
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