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
- genetic psychology
- genetic recombination
- genetic regulation theory
- genetic regulatory network
- genetic relationship
- Genetic Resources and Crop Evolution
- genetic resources law
- genetic resources of livestock and poultry varieties in China
- genetics
- genetics & bioinformatics
- genetic screen
- genetic screening
- genetic segregation generation
- genetic sex
- genetic skin disorders
- genetics of behaviors in rodents
- genetics of laboratory animal
- genetics of plant nutrition
- Genetics Society of China,GSC
- Genetic statistics
- genetic statistics
- genetic switches
- genetic system
- genetic testing
- Genetic Theory of Cultual Industries