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冰冻线
oil frost line
refrig. freezing level
tech. freezing level (标高); freezing line
冰冻线土中
bridg.constr. frost line (in soil); freezing level
地下冰冻线
tech. frost-line (in soil)
冰冻线〔标高〕
gen. freezing-level
冰冻线: 13 phrases in 7 subjects
Architecture2
Desert science1
General4
Hydroelectric power stations1
Rail transport1
Refrigeration1
Technology3