welding spark
... welding inspection 焊接磨练 welding spark 焊接火花 welding 焊接 ...
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电火花焊接 electrospark welding
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焊接火花可能会导致失火，请确认焊接工位附近无易燃物。
Weld the spark may cause accidental fire, please confirm the welder a neighborhood to have no combustible.
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