four main tubes of boiler
four main tubes of boiler
锅炉的四根主管
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Cause boiler "four tubes" the causes for the leakage of more, including wear and corrosion, overheating, ripping led is the main cause of four tube leakage.
总结坝电防“四管”泄漏管理经验及防磨防爆小组的工作经验，对锅炉“四管”爆漏原因进行分析并提出预防措施。
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