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to phrases
exploration survey
bridg.constr. 勘探测量; 踏勘测量; 探测
construct. 探〔勘〕测
desert. 勘探
hydroel.st. 勘测
tech. 勘探 (测量)
exploration survey: 7 phrases in 4 subjects
Earth sciences3
Geophysics2
Navigation1
Technology1