单词 | ultrasonic drilling |
释义 | ultrasonic drilling [¦ǝl·trǝ`sän·ik `dril·iŋ] MECHANICAL ENGINEERING A vibration drilling method in which ultrasonic vibrations are generated by the compression and extension of a core of electrostrictive or magnetostrictive material in a rapidly alternating electric or magnetic field. |
随便看 |
|
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。