coupling tubes 中文意思是什麼
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Petroleum and natural gas industries - corrosion - resistant alloy seamless tubes for use as casing, tubing and coupling stock - technical delivery conditions
石油和天然氣工業.用作套管油管和接箍的防腐合金無縫鋼管.交貨技術條件 -
Secondly, the surface - treating method of the carbon nano tubes was investigated, which was first time to process the surface of carbon nano tubes using the techniques such as purification, alkaline treatment, modification of coupling agent and ultrasonic dispersion
研究了碳納米管的新型表面處理方法，首次將碳納米管純化、堿處理、偶聯劑表面改性、超聲波分散聯用於碳納米管處理過程。 -
The cell differential matrix equation is founded on the basis of mechanics analysis of the waterwall and superheater tubes. it is computed by the ansys fea software the effect on the heat and stress coupling field of some operation parameters, which is the theory guidance for accelerated lifetime tests and the accurate life evaluation
對水冷壁直管段和過熱器彎管段進行力學分析，建立微分單元矩陣方程，應用ansys有限元分析軟體定量分析溫度、壓力等參數對管道運行中熱?應力耦合場的影響，驗證了壽命評估的準確性。 -
Idf stainless steel tubes and fittings for the food industry and other hygienic applications - specification for threaded idf type coupling
食品工業及其他衛生設施用不銹鋼管及接頭.第4部分:螺紋
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