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
- Severnaya Zemlya
- Severn River
- Severo Ochoa
- Severo-Zapadnyy Federal’nyy Okrug
- severs drought during 1928～1929
- severs drought in Chongzhen period of Ming Dynasty
- severs drought in Wanli period of Ming Dynasty
- Sevilla
- Seville
- sevoflurane
- SEW
- sewage
- sewage and waste water sampling
- sewage chroma
- sewage depth processing
- sewage disinfection
- sewage flow rate monitoring
- sewage fungi
- sewage intercepting device
- sewage irrigation
- sewage irrigation and health
- sewage land treatment system
- sewage lifting pump control system
- sewage quality
- sewage reuse