powered drill 中文意思是什麼
powered drill
解釋
機動鑿巖機-
That is an air ( electric ) powered grinder ( portable grinder, angle grinder, straight grinder, drill, impact wrench, riveting hammer, hammer drill )
那是一個氣(電)動砂輪機(手持砂輪機、角型砂輪、直型砂輪、鉆機、沖擊扳手、鉚釘錘、錘鉆機) 。 -
A new tool of preventing drill pipe sticking in air - powered dth drilling
氣動潛孔錘鉆進中的新型防卡鉆具
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