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
- disjunctive sum
- disjunctive syllogism
- disjunctive term
- disjunctive test
- disjunctor
- disjunct sum
- disjuncture
- disk
- disk abalone
- disk accretion
- disk algebra
- disk-archives protection method
- disk attack
- disk bundle
- disk cache
- disk cluster
- disk-covering problem
- disk crash
- disk-cyclide coordinate
- disk driver
- diskette
- disk fractal
- disk friction loss
- disk galaxy
- disk globular cluster