单词 | percussion hammer |
释义 |
percussion hammer听听怎么读
英 [p??k???n ?h?m?]
美 [p??k???n ?h?m?]
是什么意思 叩诊锤; 学习怎么用 权威例句Percussion hammerPERCUSSION HAMMERPERCUSSION HAMMERGlossary 3 - techniquesLINEARLY DRIVEN AND AIR-COOLED BORING AND/OR PERCUSSION HAMMERWeir Mitchell's 1859 demonstration of "a peculiar contraction"produced by a percussion hammer.Improve ROP with Hydraulic Percussion Hammer and PDC Bit in Tahe OilfieldPERFORMANCE OF NITROGEN EXPLOSION HYDRAULIC: PERCUSSION HAMMER BASED ON MEASRUEMENT OF EXPANDED KALMAN FILTERA NEW PERCUSSION HAMMER.Fluid Percussion Hammer Field Test in the Alocthonous Cretaceous Block, Eastern Venezuela ?Quantitative neural percussion hammerDrillhammer and/or percussion hammer.Rock Breaking Model Under Dynamic Load with the Application of Torsional and Axial Percussion Hammer
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