单词	rotary drill
释义	rotary drill noun : a rock drill that bores by a rotary action Word History First Known Use 1860, in the meaning defined above
随便看	sap pine sap rot sap shield sap stain sap stream sap tie sap-drawer sapa sapajou sapajous sapan sapans sapanwood sapek sapele sapele mahogany sapeles sapeli sapeque saperda sapere aude sapful saphead sapheaded sapheads

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