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
- proportioner
- proportion of nonconforming items
- proportion of piped onto premises
- proportion of soil erosion control
- proportion of wind and solar power generation in electricity production
- proportion relationship between accumulation and consumption
- proportion relationship between two-major parts of social production
- proportion with equal means
- proposal
- proposals for the integrated logistics support of aircraft materiel
- proposed intake
- proposed ruling
- proposed solutions to engineering problems
- proposition
- proposition about dṛṣṭānta
- propositional
- propositional algebra
- propositional attitude
- propositional attitudes
- propositional axiom
- propositional calculus
- propositional connective
- propositional constant
- propositional form
- propositional formula