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electric impact drill

美 [ɪˈlektrɪk ˈɪmpækt drɪl]英 [ɪˈlektrɪk ˈɪmpækt drɪl]

网络冲击电钻

electric impact drill

electric impact drill

双语例句

1

Development of the electric impact drill for the testing of the strength of concrete in structures

结构砼恒压恒速冲击钻测强仪的改进研制

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