“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	pheochromoblast pheochromocytoma pheoplast pheromone phialospore phi function phi grade scale Philadelphia chromosome Philippine fowl disease Philips hot-air engine Philips ionization gage philipstadite phillipsite Phillips screw Philomycidae philopatry Philopteridae philosopher's wool -philous philtrum-otobasion inferior phi meson phimosis phlebite phlebitis phlebography

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