“unproven area”的概念、定义、翻译、参考文献-科学参考

单词	unproven area
释义	unproven area [¦ǝn`prüv·ǝn `er·ē·ǝ] ^{MINING ENGINEERING} An area in which it has not been established by drilling operations whether oil or gas may be found in commercial quantities.
随便看	wrench wrench fault wrench-head bolt Wright's inbreeding coefficient Wright's phenomenon Wright system Wright telescope wringing fit wrinkle ridge wrinkling wrist wrist breadth wrist pin wrist socket wrist thickness writable control storage write write enable ring write error write head write inhibit ring write-once, read-many write protection writer write ring

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