“hold-back device”的概念、定义、翻译、参考文献-科学参考

单词	hold-back device
释义	hold-back device 防逆行装置
随便看	rotary shaft seal rotary shaft set bolt rotary share rotary shaving process rotary shear rotary shearing rotary shear line rotary shears rotary shot drill rotary shunt-type flowmeter rotary shutter rotary side trimming shears rotary sieve rotary signal rotary single-vane compressor rotary slasher rotary sleeve inductor type magneto rotary sleeve valve rotary slide valve rotary slide valve engine rotary-sliding-vane flowmeter rotary slip rotary slitting line(纵向切分) rotary slurry distributor rotary snowplough

科学参考收录了1248194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。