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职业危害
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职业危害
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职业危害
劳动者在从事职业活动中,由于接触生产性粉尘、有害化学物质、物理因素、放射性物质而对身体健康所造成的伤害。
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Galactic absorbing layer
galactic absorbing layer
Galactic absorption
galactic absorption
galactic age
Galactic aggregate
Galactic anticenter
Galactic arm
galactic arm
Galactic arm-population
Galactic astronomy
galactic astronomy
Galactic astrophysics
galactic astrophysics
Galactic background
Galactic background infrared radiation
Galactic background radiation
Galactic background radio radiation
Galactic background X-ray radiation
Galactic background γ-ray radiation
Galactic bar
galactic bar
galactic bridge
Galactic brightness
galactic brightness
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