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noise hygienic standard for industrial enterprises
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noise hygienic standard for industrial enterprises
Encyclopedia
工学
《工业企业噪声卫生标准》
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noise hygienic standard for industrial enterprises
《工业企业噪声卫生标准》
对从事加工制造产品的法人单位生产车间及其他工作场所内的声音暴露水平提出了法规性技术限值。用于工业企业的卫生设计、职业卫生防护等目的。
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weight of an invariant
weight of a polynomial
weight of a quadrature formula
weight of a rational representation
weight of a relation
weight of a relative tensor
weight of a representation
weight of a semi-invariant
weight of a space
weight of a tensor
weight of a tensor density
weight of a theta-function
weight of a topological space
weight of a tree
weight of a vertex
weight of dried cocoon shell
weight on bit
weight optimization
weight ratio of raw and cooked food
weight reciprocal propagation law
weight reduction method
weight retention rate
weights
weights and measures
weights and measures before the Qin Dynasty
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