digging auger 中文意思是什麼
digging auger
解釋
挖穴螺旋鉆-
Then he heard that with his 2, 000 gift it would still take 20 people digging for ten days using a hand auger
他知道付出了二千美元后,還需要二十人用螺絲鉆,鉆十天才能打開一口井。 -
Torsional vibration mathematical modeling of auger - bit principal axis of digging machine for tree planting and its solution
植樹挖坑機鉆頭主軸扭轉振動數學建模與求解
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