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- Based on the corrosion depth and pipe working life, the func tional relationship between the pipe bend wear speed and conveying speed is proposed. 依據侵蝕深度和彎管工作壽命結果，推出了彎管磨損速度與輸送速度之間函數關(guān)系。
- Quality Requiremetns: when lower than the minium wall thinckness allowable by pipe bend and without the sharp corner, the bend from mechanical damage may be repaired, but not be repaired welding. 質(zhì)量要求：機械損傷的彎頭，在不小于管子彎頭設計所需的最小壁厚時(shí)，且沒(méi)有尖銳棱角時(shí)允許修磨，但不能補焊。
- Briefly introduces the workflow of the automatic oil field pipe production line.Use the nets which are composed of PLCs,PCs and equipments to do the real-time control and management. 簡(jiǎn)述采油套管自動(dòng)線(xiàn)的工作流程,利用多層網(wǎng)絡(luò )使多個(gè)PLC之間、PLC與上位機之間及上位機與各設備之間相聯(lián),實(shí)現工作過(guò)程的實(shí)時(shí)監控和生產(chǎn)數據的實(shí)時(shí)管理。
- Briefly introduces the workflow of the automatic oil field pipe production line. Use the nets which are composed of PLCs, PCs and equipments to do the real-time control and management. 摘要簡(jiǎn)述采油套管自動(dòng)線(xiàn)的工作流程，利用多層網(wǎng)絡(luò )使多個(gè)PLC之間、PLC與上位機之間及上位機與各設備之間相聯(lián)，實(shí)現工作過(guò)程的實(shí)時(shí)監控和生產(chǎn)數據的實(shí)時(shí)管理。
- It reveals the stress field,displacement field and plastic deformation caused by freezing and expansion of the migrating pingo and presents the oil pipe bending deformation caused by t. 青藏高原北部常年凍土區沿活動(dòng)斷裂發(fā)育有移動(dòng)冰丘,其對輸油管道、橋梁、涵洞等工程設施具有破壞作用。
- The needed pipe bending moment、wall thickness reduction and ovality of section are known by simulating. 通過(guò)模擬,計算管子彎曲變形所需的彎矩,計算管子彎曲部分外壁減薄率和橢圓度。
- Cut, threaded, and bends pipe to required angle, using pipe cutters, pipe-threading machine, and pipe bending machine. 用切割器、加螺紋機、彎曲器，針對要求的角度來(lái)切割、加螺紋、及彎曲水管。
- Lacking internal support in the pipe, this pipe bending process creates some cross section ovality. 在管道內支持不足,這根管子彎過(guò)程中創(chuàng )造一些截面橢圓。
- The field artillery pounded away at the for tress. 野戰炮兵連續炮擊那座要塞。
- Provides more rigidity than pipe, eliminating concerns of pipe bending loads of flanged valves - Safety against thermal or seismic catastrophes. 比管道更加堅固耐用,消除管道施加在法蘭閥門(mén)上的彎曲負載的擔憂(yōu)-在高溫或地震災害下更加安全。
- The new pipe bender can satisfy the request of manufacturing various bus frame, and improve efficiency of pipe bending obviously. 試驗表明，新型數控彎管機能夠滿(mǎn)足多種車(chē)骨架加工的技術(shù)要求，大大提高彎管效率。
- The crowd cheered as the teams entered the field. 球隊入場(chǎng)時(shí)觀(guān)眾們?yōu)橹畾g呼。
- Full Section Pipeline Trenching in Field Pipe Installation 整管下沉入槽安裝工藝
- On the map the drains of each field are laid sown. 地圖上標有每一塊地的排水溝。
- Right-handed batters usually hit to left field. 右撇子擊球手把球打到左外野。
- The runaway horse was cornered in a field. 那匹跑掉的馬在田地里被圈住了。
- Tent is used by camper and by soldier in the field. 露營(yíng)的人和戰地的士兵用帳篷。
- The children had a field day with their new toys. 孩子們玩新玩具玩得十分開(kāi)心。
- An oil well blew out in the oil field. 油田里有一口油井發(fā)生井噴。
