... 连续焊接的 continuous-welded 难焊接的 difficult to weld; difficult-to-weld; hard-to-weld 全焊接的 all-welded ...
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difficult-to-weld 难焊接的
Superhigh strength steel AF1410 is a type of new aviation steel, which is good for resisting stress corrosion and is not difficult to weld.
AF 1410超高强度钢是一种抗应力腐蚀和焊接性能较好的新型航空材料。
It is difficult to weld the material in the production of coal mining equipment because the welding capability of this kind of material is no good.
而这种材料的焊接性能极差，给矿山设备的生产制造带来一定的困难。
For the T-fillet weld, there are high stress, difficult to weld, more defects and easy to be corroded in vertical oil tank, which is often neglected.
大型立式油罐t形角焊缝部位应力高，施工难度大，焊缝存在缺陷多，容易受到腐蚀，而且常被忽视。
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