“soft ground”的概念、定义、翻译、参考文献-科学参考

单词	soft ground
释义	soft ground [`sȯft `grau̇nd] ^{MINING ENGINEERING} 1. A mineral deposit which can be mined without drilling and shooting hard rock. 2. The rock about underground openings that does not stand well and requires heavy timbering.
随便看	Newtonian telescope Newtonian velocity Newtonian viscosity newton-meter of energy newton-meter of torque Newton-Raphson formula Newton's alloy Newton's equations of motion Newton's first law Newton's identities Newton's inequality Newton's law of cooling Newton's law of gravitation Newton's law of resistance Newton's laws of motion Newton's lens formula Newton's metal Newton's method Newton's rings Newton's second law Newton's square-root method Newton's theory of lift Newton's theory of light Newton's third law next-event file

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