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同位素示踪剂 tóng wèi sù shì zōng jì
met. isotopic tracer; radioactive tracer
tech. isotope tracer; isotropic tracer
同位素示踪 剂: 12 phrases in 8 subjects
Chemistry1
Earth sciences1
General1
Geophysics1
Metallurgy4
Oil / petroleum2
Space1
Technology1