| 释义 |
1 ?封底焊 ... backstep sequence 封底焊 back welding;sealing welding 缝焊 seam welding ..
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In addition to causing the welding line to break off, may also lead to other local damage near the welding line, such as sealing data. 除了招致焊接线烧断外，还可能招致靠近焊接线的其他局部损坏，例如密封资料。 - 2
Flat welding flange not only saves space, reduces weight, more importantly, to ensure that joints do not leak, has good sealing performance. 平焊法兰不仅节省了空间、减轻了重量，更重要的是确保接头部位不会发生泄漏，具有良好的密封性能。 - 3
The waterproof layer of the lap joint should stick (welding) firm, tight sealing, no distortion, fold, curling and blister defects. 卷材屋顶防水层的搭接缝应粘(焊)结牢固，密封精密，不得有扭曲、皱折、翘边和起泡等缺陷。
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