介绍了焊接安全生产培训的重要意义，阐述了焊接作业的危险因素和有害因素。
The importance of welding safety training was introduced. Dangerous and harmful factors of welding operation were described.
介绍了焊接安全生产培训的重要意义，阐述了焊接作业的危险因素和有害因素。
The importance of welding safety training was introduced. Dangerous and harmful factors of welding operation were described.
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