“Daily maximum noise exposure permitted by the U.S. Occupational Safety and Health Act of 1970”的意思、由来-百科全书

词条	Daily maximum noise exposure permitted by the U.S. Occupational Safety and Health Act of 1970
释义	Daily maximum noise exposure permitted by the U.S. Occupational Safety and Health Act of 1970 Table Daily maximum noise exposure permitted by the U.S. Occupational Safety and Health Act of 1970 sound level (decibels) maximum hours per day 115 \\<¼ 110 ½ 105 1 100 2 97 3 95 4 92 6 90 8 See as table:
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