“ultrasonic sealing”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic sealing
释义	ultrasonic sealing [¦ǝl·trǝ`sän·ik `sēl·iŋ] ^ENGINEERING A method for sealing plastic film by using localized heat developed by vibratory mechanical pressure at ultrasonic frequencies.
随便看	Muschelkalk Musci Muscicapidae Muscidae muscle muscle fiber muscle hemoglobin muscle tone muscovite Muscovy glass muscular atrophy muscular dystrophy muscularis externa muscularis mucosae muscular system muscul-\|musculo- musculoaponeurotic musculocutaneous musculocutaneous nerve musculoskeletal system mushroom mushroom anchor musical acoustics musical echo musical quality

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。