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
- Algebraic Linguistics
- algebraic linguistics
- algebraic link
- algebraic logarithmic singularity
- algebraic logic
- algebraic L-theory
- algebraic manifold
- algebraic manifold structure
- algebraic method
- algebraic method for solution
- algebraic module
- algebraic moduli space
- algebraic multigrid method
- algebraic multiplication
- algebraic multiplicity
- algebraic net
- algebraic non-expressibility
- algebraic norm
- algebraic notation
- algebraic number
- algebraic number field
- algebraic number theory
- algebraic object
- algebraic operation
- algebraic operation of matrices