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kong zhi zhi ye wei hai de gong ye tong feng si
Pages: 50-53
Year: Issue:  4
Journal: Occupational Health and Emergency Rescue

Keyword:  职业危害排风量排气罩工业通风离心式通风机控制风速通风系统电动机工作台有毒物质;
Abstract: 控制职业危害的工业通风(四)上海市卫生防疫站殳家豪3.排气罩的类型由于尘毒作业性质不尽相同,排气罩的设施也有所异,各种类型的排气罩有其各自的用途,一般常用的可归为以下几类:(1)具有凸边或无凸边的开口管。常用于排除电焊烟尘与气体,其排气量计算可用公式...
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