Vehicle's geometry model is formed, of which the shell structure is the main skin and steel structure made by welding.
建立了以板壳为主体的骨皮结构焊接车体几何模型。
HARRIS BLOCKADE welding electrodes used by the U. S. , with welded tube-free oxidation of skin, bite close, non-porous, never leaks and other characteristics;
采用美国HARRISBLOCKADE 焊条焊接，具有焊接管内无氧化皮、咬合紧密、无气孔、永不泄漏等优点；
HARRIS BLOCKADE welding electrodes used by the U. S. , with welded tube-free oxidation of skin, bite close, non-porous, never leaks and other characteristics;
采用美国HARRISBLOCKADE 焊条焊接，具有焊接管内无氧化皮、咬合紧密、无气孔、永不泄漏等优点；
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