“drop ball”的概念、定义、翻译、参考文献-科学参考

单词	drop ball
释义	drop ball Geology and Earth Sciences A simple and economical method for breaking up large stones after quarry blasting by dropping a heavy weight from a crane on to the boulder.
随便看	SCET SCF scf Schacht, Hjalmar (1877–1970) Schaefer, Vincent Joseph Schally, Andrew Victor Schauder basis Schawlow, Arthur Leonard Scheat Schechter function Schedar Schedule A tax scheduled maintenance schedule number scheduler scheduling scheduling algorithm Scheele, Karl Wilhelm Scheele, Karl Wilhelm (1742–86) scheelite Scheer, Reinhard (1863–1928) Scheffé, Henry (1907–77) Scheffé test Scheiner, Christoph (1573–1650) Scheinwoodian

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