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不渗透层
dril.
impermeable formation
;
impermeable rock
;
impervious bed
;
impervious formation
;
impervious rock
met.
impermeable bed
;
impermeable layer
tech.
impenetrable layer
不渗透
透水
层
met.
impermeable layer
不渗透层
:
25 phrases
in 5 subjects
Bridge construction
2
Drilling
4
Metallurgy
2
Oil / petroleum
8
Technology
9
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