计算机硬件 计算机维护 释文 anaphylaxis failure, sensitive fault 敏感故障
- urban weed community
- urban wetlands
- urban wind field
- urban yellow line
- Urban Zoning Theory
- urbaryon
- URCA process
- Urca process
- urcaryote
- urchin
- Urd
- Urdu language
- URE
- urea
- urea acetaldehyde
- urea aldehyde slow release fertilizer
- urea-ammonium mixed nitrogen fertilizer
- urea ammonium nitrate solution
- urea cycle
- urea formaldehyde
- urea formaldehyde resin
- urea-formaldehyde resin
- urea-formaldehyde resins
- urea herbicide
- urea phosphate