Introduce welded seam specification, standards performed, inspectation items and acceptable index for welding of body and joint pipe.
介绍了阀体与接管焊接的焊缝技术要求、执行标准、检验内容及合格指标。
The pulse laser cutting is a new working process, which can make the seam to contact better with the body of knife, so the strength, life and rigidity of the die board have risen.
用脉冲激光切割模切板使切缝和刀体保持良好的接触，提高了模切板的刚度、强度及使用寿命。
The hydraulic seam drill is equipped with the synchronous gear motor as the driving part, which can effectively solve the corrosive problem of the emulsion to the motor body.
乳化液煤层液压钻使用同步马达作为其驱动元件，可有效解决乳化液对马达机体的腐蚀问题。
The experiments show that the welded seam is good and the metallurgical joint was achieved without melting the shell body.
试验表明，焊缝成型良好，在弹体不发生熔化的前提下实现了冶金结合。
According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.
上体左、右半壳直焊缝视产品结构不同，分别采用对接熔化焊和搭接缝焊工艺。
Sealing for visible part of car body and generic joint seam, for example skirt plate, vehicle bottom.
可用于各种车、船的车体可视部分及一般接缝密封，如裙板、行李仓盖板、车船底等。
The determination of damage height of superincumbent stratum of goaf has immense meaning for safety and reasonable exploitation of coal seam under water body, building and railway.
确定采空区上覆岩层破坏高度，对“三下”煤层安全、高效开采具有重要意义。
This type of cratering can be extensive over the entire body but is usually concentrated in the area of the seam or flange which contained the entrapped oil.
这类缩孔严重时可以扩散到整个车身，但一般只是在含油污的焊缝或翻边区域。
Autombile beaded paint and the parts of plating all generally have fair rust proof capacity, but the soldering of in re body click, seam and the part once being subjected to galling then apt to rust.
汽车油漆和电镀的部件一般都具有良好的防锈能力，可是对于车体上的焊点、接缝以及受过擦伤的部位则容易生锈。
Notethe coating thickness of weld seam should be not less than 80% of coating thickness on pipe body.
焊缝处的防腐层厚度，不得低于管本体防腐层规定厚度的80%。
In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well.
顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；
In coal-seam roof, distributary channel sedimentations mostly are vertical accretion, and the continuity of sand body evolvement is well.
顶板分流河道沉积作用以垂向加积作用为主，岩体演化具有较好的继承性；
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