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[主观题]
二氧化硫的阈限值是为5.4mg/m3(2ppm),立即威胁生命和健康的浓度为270mg/m3(100ppm)。
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A.15mg/m3(10ppm)
B.30mg/m3(20ppm)
C.150mg/m3(100ppm)
A.22mg/m3(15m3/mL)
B.72mg/m3(50m3/mL)
C.15mg/m3(10m3/mL)
D.30mg/m3(20m3/mL)
A.≤10万
B.≤3.52万
C.≤35万
D.≤352万
A.二氧化硫
B.二甲基硫(DMS)
C.亚硫酸盐
D.硫化氢