Reducing partial rigidity: When closed weld or the weld which has less rigidity are welded, we can take anti-deformation way to reduce the partial rigidity of component.

降低局部刚性：焊接封闭焊缝或其刚性较大的焊缝时，可以采取反变形法来降低结构的局部刚性。

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Value of torsion for less than the size of fillet weld height of small-opening fillet weld is the same as that of corresponding closed fillet weld.

具有不大于焊脚尺寸的小开口焊缝，其所能承受的扭矩与相应闭合角焊缝所能承受的扭矩是几乎相同的。

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Leaving the disc in a fully closed position firmly closed also prevents weld spatter from falling directly onto the mating faces of the seat and disc.

保持阀瓣处于完全关闭位置也能够避免焊花直接掉在阀座和阀瓣的连接面上。

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