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to phrases
试坑
agric., water.suppl.
test pits
bridg.constr.
trial pit
;
test pit
el.
prospect pit
eng.geol.
open test pit
hydroel.st.
prospect hole
tech.
test trench
;
test-pit
试坑:
27 phrases
in 7 subjects
Automobiles
1
Aviation
1
Electric machinery
2
Electronics
1
Engineering geology
1
Rail transport
1
Technology
20
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