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to phrases
示踪试验
hydroel.st.
tracing test
tech.
tracer experiment
;
tracer test
;
tracer testing
;
tracing experiment
示踪试验
:
13 phrases
in 7 subjects
Earth sciences
1
Ecology
1
Engineering geology
1
Geophysics
1
Metallurgy
2
Oil / petroleum
2
Technology
5
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