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
- simply connected manifold
- simply connectedness
- simply connected region
- simply connected Riemann surface
- simply connected space
- simply connected surface
- simply consistent system
- simply convergent filter
- simply convergent sequence
- simply convergent series
- simply covered
- simply elliptic singularity
- simply generated
- simply harmonic space
- simply invariant subspace
- simply ordered
- simply ordered group
- simply ordered loop
- simply ordered set
- simply periodic function
- simply supported
- simply supported beams
- simply transitive group
- simply transitive set
- simply uniform convergence