“Wright system”的概念、定义、翻译、参考文献-科学参考

单词	Wright system
释义	Wright system [`rīt ´sis·tǝm] ^{PETROLEUM ENGINEERING} A method for mining oil from partially drained sands that involves drilling a shaft through the productive strata, followed by long, slanting holes drilled radially in all directions from the shaft bottom into the oil sands.
随便看	step-down transformer step fault step function step-function generator step gage Stephanian Stephanidae stephanite Stephan's Quintet step lake step-out time step-out well steppe steppe climate stepped cone pulley stepped footing stepped gear wheel stepped leader stepped screw stepped-wave static inverter stepper motor stepping stepping motor stepping reflex stepping relay

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