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vertically welding | |||
vertical position welding; vertical weld; vertical welding | |||
vertical position welding | |||
longitudinal weld | |||
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vertical down weld |
立焊 : 41 phrases in 7 subjects |
Automobiles | 3 |
Chemistry | 1 |
General | 2 |
Metallurgy | 15 |
Oil / petroleum | 3 |
Rail transport | 4 |
Technology | 13 |