“pay sand”的概念、定义、翻译、参考文献-科学参考

单词	pay sand
释义	pay sand [`pā ´sand] ^{PETROLEUM ENGINEERING} That portion of an oil or gas sand in which the oil or gas is found in commercial quantity.
随便看	quarantine quarantine anchorage quarantine buoy quark quark confinement quark-gluon plasma quarkonium quark star quarry quarry bar quarry face quarrying quarrying machine quarry powder quarry sap quarry water quart quartation quarter quarter deck quartering machine quartering sea quarternary phase-shift keying quarter-phase quarterpolymer

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