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permissible dose
gen. 容许的掺杂质
el. 容许剂量【核】
oil 容许剂量
space 允许剂量
tech. 容许量; 放射性容许剂量
permissible dose: 23 phrases in 9 subjects
Animal husbandry1
Electronics6
Environment1
Metallurgy1
Molecular genetics1
Nursing1
Reproductive biology1
Space2
Technology9