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optimum selection of fans
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optimum selection of fans
Encyclopedia
工学
通风系统优化
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optimum selection of fans
风机优选
在满足井下通风要求的前提下,从风机库中选出最匹配的风机,并得到风机在可靠、稳定、经济运转情况下最佳运行参数(如风机叶片安装角度、风机转速等)的过程。
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occupational hazards of non-ionizing radiation
occupational health
occupational health and occupational medicine
Occupational Health and Safety Assessment Series 18000
occupational health examination
occupational health for all
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occupational health monitoring on plateau railway
occupational health of female worker
occupational health prevention technology
occupational health psychology
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occupational health supervision
occupational health supervision and management
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occupational health technical service agency
occupational health technology and protection
occupational health “three at a time”
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occupational history
occupational hygiene law
occupational identity
occupational infectious skin diseases
occupational infertility
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