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gamma emitter
agric. γ 射线 发射体; 伽玛发射体
earth.sc. γ辐射
met. γ射线发射体; γ辐射源
oil 伽马辐射源
gamma radiation emitter
el. γ辐射发射体; γ放射源【核】
gamma emitter
: 6 phrases in 4 subjects
Electric machinery1
Metallurgy2
Oil / petroleum2
Technology1