探勘

tànkān
  1. to explore
  2. to survey
  3. to prospect (for oil etc)
  4. prospecting

CEDICT

exploration; prospecting; survey

Wiktionary

利用各种方法搜寻勘验能源矿产路线被发各种地理现象

重編國語辭典

利用各种方法搜寻能源矿产路线被发各种地理现象

維基詞典

Entry Composition

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