放射防護 (fong3 se6 fong4 wu6) — radiological defense in Cantonese
fong˗₃放seˍ₆射fongˎ₄防wuˍ₆護简 放射防护
Mandarin Pinyin: fang4 she4 fang2 hu4
Meaning of 放射防護
nounradiological defense
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