Choice of butt groove for welding thin wall headers to pipes;
薄壁集箱和管道对接坡口的选择
A study of the improvement of the butt weld groove of a boiler set box and pipe;
锅炉集箱和管道对接焊坡口的改进研究
Study on Groove Shape and the Open Angle of End Tab of UOE Pipe;
UOE焊管坡口形状与引弧板开口角研究
It is the key to ensure the quality of the weld that adopted reasonable groove type according as the chemical compositions of the approachable side of clad steel plate.
试验结果表明,复合钢板焊接时,可接近的侧面和钢板厚度将决定焊接顺序和焊接材料的选用,而根据可接近侧面材质设计合理的坡口形式,是保证复合钢板焊接质量的关键。
On account of the effect of the rate of dilution on the quality of welded joint of dissimilar steels, the relationship among the rate of dilution, groove type and welding technology was examined and analyzed.
异种钢焊接的稀释率对焊接质量有影响,通过焊缝的稀释率与接头坡口形式、焊接工艺关系试验与分析,采用试验推荐的坡口形式及焊接参数可将焊缝稀释率控制在所要求的范围内。
Study on reservoir of the Leikoupo Formation of Middle Triassic in northwestern Sichuan Basin;
四川盆地西北部中三叠统雷口坡组储层研究
Time-Frequency Analysis and Its Application in Gas-Bearing Reservoirs:A Case from the Lei 3 Gas-Bearing Reservoir of Leikoupo Formation in a Area of Central Sichuan;
时频分析技术及其在识别含气层中的应用——以川中某地区雷口坡组雷3含气层为例
Differences of structure and hydrocarbon accumulation characteristics of Middle Triassic Leikoupo Formation between Moxi structure and Longnvsi structure in Central Sichuan,China
川中磨溪与龙女寺雷口坡组构造特征及油气成藏差异性
Numerical-controlled cutting of welding groove of pipes intersection;
管端相贯焊接坡口数控切割研究
Numerical control cutting of welding groove for intersecting of pipe and cone;
管锥相贯焊接坡口数控切割
Reasoning system of welding groove selection of pressure vessels;
压力容器焊接坡口选择的推定系统
semi-auto matic cutting the double groves
半自动气割双面坡口
Study on Groove Shape and the Open Angle of End Tab of UOE Pipe;
UOE焊管坡口形状与引弧板开口角研究
The sum of one land and groove impression is 0.165 inches.
一个槽脊与凹槽坡口的总长为0.165英寸
coil spring loaded slotted oil control ring
螺旋弹簧加载双坡口油环
Two PFMs are normally used on major pipeline projects.
大多数管道工程通常使用两个坡口机。
Add metal from the rod by dipping the end into the pool so that it melts and makes up the vee.
将焊条一端浸入池内熔化，填满V形坡口。
It is then ready for the operator to initiate faceplate rotation and machine the bevel.
此时操作者可启动旋转面板并切削坡口。
Landslide stability analysis and control at portal of tunnel
隧道洞口滑坡稳定性分析及滑坡治理
Colombo Declaration on Population and Development
科伦坡人口和发展宣言
The Stability Analysis of the In-Outflow Slope of Shuangjiangkou Hydroelectric Power Station;
双江口水电站进出水口边坡稳定性分析
The mouth of the cave was up the hillside -- an opening shaped like a letter A.
洞口在山坡上——形状像大写的字母Ａ。
Ethnic Chinese preponderate in the population of Singapore.
在新加坡的人口中，华人居多数。
an uphill mine entrance.
位于上坡的一个矿井入口
Some products have been exported to Singapore and Romania.
部分产品已出口到新加坡及罗马尼亚。
The Steady of Xiakou Landslide under the Different Rainfall Conditions;
不同降雨条件下峡口滑坡稳定性研究
The Analysis of the Stability and the Pilot Study of the Influence of Rainfall to Xiakou Slope;
峡口滑坡稳定性分析与降雨影响初探
Research on the Slop Stability and Control Technique at the Tunnel Entrance;
隧道洞口边坡稳定性与控制技术研究
Research on Slope Stability Around Tunnel Entrance in Loess Areas;
黄土地区隧道洞口段边坡稳定性研究