... seal by welding焊接连接密封 seal welding密封焊接 seal weld填焊; 致密焊缝; 密封焊; 密封焊道; 密封焊缝 ...
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阀座环通过密封焊接，消除泄漏通道。
介绍了一种可实现不锈钢复合管可靠焊接的管端密封焊接技术。
A kind of seal welding technology of the pipe ends for achieving the reliable welds of stainless steel clad pipe is introduced.
梯形梁延伸到整个大桥，主要是为保护密封焊接空心截面不被腐蚀。
The beam web, which extends over the entire bridge, is built of a trapezoidal, for reasons of corrosion protection hermetically welded hollow section.
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