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to phrases
探槽 tàncáo
archit. investigation pit
el. inspection trench; prospect pit
eng.geol. exploration trench; exploratory trench; prospecting trench; trench
geol. ditch
hydroel.st. trial trench; test trench
探槽 tàncáo
earth.sc. channel
探槽: 28 phrases in 7 subjects
Engineering geology3
General1
Metallurgy1
Mining1
Oil / petroleum2
Technology19
Water resources1