Welding smoke and dust dispersing in workshop influence peoples health directly; adopting divided layer blowing can improve effectively.
焊接烟尘弥散悬浮在车间，直接影响人体健康，采用分层送风方式可有效改善这一点。
The ventilation and dust removal in welding workshop are important protects for the labors.
车间的通风除尘是对作业人员非常重要的劳动保护措施之一。
The ventilation and dust removal in welding workshop are important protects for the labors.
车间的通风除尘是对作业人员非常重要的劳动保护措施之一。
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