For the even weld of crossover pipe pieces with reliable welding, the project requires to cut the weld position of crossover pipe pieces into shape exactly.
工程上,为了管件的相交处焊缝均匀,焊接可靠,需要将相交管件的焊缝处准确切割成型。
A few forms of the crossover pipe-adjustment valve combination in vertical single pipe hot water heating system are analysed and compared each other in adjustment performance.
对垂直单管热水供暖系统中几种跨越管—调节阀组合形式的调节性能进行了分析比较,从而得出调节性能最佳的方式。
Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.
它是个上端为钻杆母扣或者由壬,下端为套管公扣,内空心的转换接头。
During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece.
在管道铺设或大型梁架焊接过程中,往往会遇到两个或多个不同轴线的大直径管件相交的情况。
During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece.
在管道铺设或大型梁架焊接过程中,往往会遇到两个或多个不同轴线的大直径管件相交的情况。
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