实践表明，油气两用燃烧器具有工艺先进、节能高效、安全环保的特点。
The practice shows that the burner has characteristics of advanced process, efficient and energy saving, highly effective, safety and environmental protection.
实践表明，油气两用燃烧器具有工艺先进、节能高效、安全环保的特点。
The practice shows that the burner has characteristics of advanced process, efficient and energy saving, highly effective, safety and environmental protection.
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