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1984年我厂承接了一批阀箱的制作任务。其中泵头体因机加工超差而报废。为挽回损失,采用焊补的方法进行补救,堆焊尺寸40×40×270。为寻找正确的焊补
In 1984 I plant to undertake a number of valve box production tasks. One pump head body due to machining tolerance and scrapped. In order to restore the loss, welding repair method to remedy, surfacing size 40 × 40 × 270. To find the right welding repair