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焊缝
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焊缝
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焊接接头
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weld
焊缝
焊件经焊接加工成形后形成的接合或结合部分。属于焊接接头的一个组成区域。在熔化焊接中是填充金属与熔化的母材凝固后形成的区域;在固相焊接中是接“缝”区。
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gas explosions
gas explosion test
gas extinguishing protection device
gasfication gas
gas filled nuclear spectrometer
gas-filled nuclear spectrometer
gas-filled nuclear spectromter
gas-filled recoil isotope separator
gas filled recoil separator
gas-filled recoil separator
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gas filled tube
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