| 单词 | block welding |
| 释义 | > as lemmasblock welding block welding n. a method of welding in which a number of separate joints are made first, leaving gaps which are filled in to complete the weld. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > welding > types of butt welding1878 lead burning1886 arc welding1890 thermite process1905 thermite welding1906 resistance welding1908 spot welding1908 seam welding1917 fusion welding1918 projection welding1918 stud welding1918 metal arc welding1926 pressure welding1926 metallic arc welding1927 flash-butt welding1933 flash welding1933 stitch welding1934 rightward welding1936 block welding1943 submerged-arc welding1945 friction welding1946 T.I.G.1960 microwelding1962 1940 Specif. Welding Vessels U.S. Navy: Pt. I (U.S. Navy Dept. Bureau of Ships: Gen. Specif. App. 5) (new ed.) i. 59 (index) Block welding. 1943 W. G. John in Electr. Welding in Shipbuilding (H.M.S.O.) 187 Block welding should be used for thicknesses above 5/ 8″, the blocks starting from the centre of a seam and alternate block welds made from the centre outwards. 1980 K. Masubuchi Anal. Welded Structures vii. 314 Block-welding sequences were generally found to cause less shrinkage than multi-layer sequences. 2003 Proc. 6th Internat. Conf. Climbing & Walking Robots 706 A climbing robot that uses permanent magnets to adhere to the ferrous surfaces on the hull of cargo container ships during the block welding of a ship in a dry dock. < as lemmas |
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