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- X65鋼級直縫埋弧焊管X65 grade LSAW pipe
- X80鋼級直縫埋弧焊管X80 steel SAW straight welded tube
- 通過(guò)夏比沖擊試驗和落錘撕裂試驗(DWTT),測得國產(chǎn)X80級直縫埋弧焊接鋼管低溫韌性。It obtains low temperature toughness of China made grade X80 LSAW pipe by Charpy impacting test and DWTT.
- 進(jìn)行了L415MB(API 5L X60 PSL2)級油氣輸送用直縫埋弧焊管中厚鋼板的工業(yè)試驗研究。Trial - production of L415MB(API 5L X60 PSL2) pipeline plate has been fallen out.
- 油氣輸送用螺旋縫埋弧焊鋼管訂貨附加技術(shù)條件中幾個(gè)常見(jiàn)問(wèn)題的討論Discussion on Several Ordinary Problems on Additional Technical Conditions of P. O. Of SSAW Pipe for Oil and Gas Transmition
- 直縫埋弧焊管擴徑機的應用Diameter-Enlarging Machine Application of Longitudinal Submerged Arc Welded Pipe
- 林冠級canopy class
- 二三級城市Sub-cities
- 直縫焊管所需帶鋼寬度計算公式探討Discussion on Formula for Calculation of Width of Steel Strip Used for Weld Straight Pipe-making
- 平面埋入式進(jìn)氣道的數值仿真研究與試驗驗證Numerical Analysis and Experimental Validation of a Submerged Inlet on the Plane Surface
- 埋弧焊焊縫Submerged-arc weld
- 厚壁容器的雙絲窄間隙埋弧焊Double-wire Narrow Gap SAW of Thick-wall Pressure Vessel
- X80級螺旋埋弧焊管X80 grade SSAW pipe
- 埋弧焊鋼管內焊渣皮回收方式探討Discussion on Reclaiming SSAW Pipe Inside Welding Slag
- 埋弧焊鋼管倒棱機工藝布局方式的探討Discussion on Process Layout of Chamfering Machine for SAW Steel Pipe
- 淺談螺旋埋弧焊鋼管的焊縫外觀(guān)形狀控制Discussion on Weld Bead Visual Appearance Control of SSAW Pipe
- 堿度對直流埋弧焊熔滴階段電化學(xué)致氧的影響Effect of basicity index on electrochemically induced oxygen content at droplet reaction stage in direct current submerged arc welding
- 直縫焊管埋弧自動(dòng)焊內焊多絲焊接規范設置探討Discuss on Setup of Inside Welding Multiple Wire Welding Specification in Longitudinal Submerged Arc Welded Pipe
- 埋弧焊自動(dòng)跟蹤系統中線(xiàn)陣CCD視覺(jué)傳感器的研究Development of linear CCD vision sensor used in automatic tracking system of submerged arc welding
- 雙面埋弧焊鋼管焊縫自動(dòng)超聲波檢測工藝的優(yōu)選Optimal Selection of Automatic Ultra-sonic Test Process for Welds with Both Sides Submerged Arc Welding
