工学 井下工具 释 shock absorber 减振器 吸收钻井中产生的冲击和振动负荷，保护钻头牙齿、轴承和钻具，提高钻头及其他钻具寿命的工具。
计算机硬件 计算机工程设计 释文 shock absorber 减震器
- food-borne poisoning microorganisms
- food-borne transmission
- food-borne viral illness
- food-borne virus
- food-borne virus from aquatic product
- food category system
- food chain
- food chain of aquatic ecosystem
- food chain transfer
- food chain transfer of marine pollutants
- food chemistry
- food coating agent
- food code
- food color
- food colorant
- food compositions of fish
- food composition tables， FCTs
- food consumption factor
- food container
- food contamination
- food conveying elevator
- food court
- food damage
- food-drug interaction
- food elasticity