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涡锥打井机
meaning in English
turbine taper open well set
turbo-conic open-well machine
Related Words
打井
涡度
涡川
涡淋
毛涡
涡心
涡阻
舭涡
涡汇
涡扇引擎
涡状星系
涡状形
涡阻
涡阻系数
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