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to phrases
prototype test
auto.
原型
样机
试验
;
样品检验
avia.
样机试验
econ.
试制品试验
el.mach.
真机试验
hydroel.st.
原型试验
railw.
型式试验
space
初样试验
tech.
原体试验
;
实船试验
;
抽样试验
prototype test:
10 phrases
in 5 subjects
Aviation
3
Bridge construction
1
Electric machinery
1
Engineering geology
2
Technology
3
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