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- null balance device 零位平衡装置
- Vibration Balance Device, Balance VIbration When Press Machine Working, Let The Press Machine Work In Stable, And Make Noise Down. 反侧动平衡装置,平衡冲床在高速运转时的震动,运转平稳准确,并降低冲床作业时的噪音。
- The wear reason of trust balance device of Centrifugal pump is analyzed theoretically.A workable Solvent is put forward. 从理论上分析了离心泵推力平衡装置产生磨损的原因，并提出了可行的解决办法。
- Independent attenuator,balanced device for every channel. 每路设有衰减器、均衡器。
- The lamp arm revolves around the balance device 灯臂绕平衡器旋转
- Calculation and field test show that,by using this auxiliary balancing device, both the peak value and the fluctuation of the crank shaft to... 理论计算及现场试验结果表明，该平衡装置具有降低曲柄轴扭矩峰值、减少曲柄轴扭矩波动及降低抽油机耗电等优点。
- Especially its output axis adopt self balancing four gear load balancing device so as to increase its safety factor greatly. 尤其是输出轴采用自平衡式四齿轮均载装置使输出轴安全系数大大提高。
- With autom. grinding wheel balancing device, coolant unit with bandfilter, flank line modification, grinding wheel flanges, etc. 带自动，磨削砂轮平衡装置，带式过滤冷却，磨削砂轮法兰等。
- The state or quality of being null. 无效无效的状况或性质
- The results of the above study offer a basis and reference for the application of an active balancing device in industrial blowers. 研究结果为双平面主动平衡技术在该实际风机应用提供了参考和依据。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The act of making null and void. 废除使 ... 作废和无效
- Losing balance, he plumped against the doorpost. 没有站稳，他一头撞在门柱上。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- Global strategic balance and stability. 全球战略平衡和稳定。
- The skater quickly recovered his balance. 那个滑冰的人很快恢复了平衡。
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- To guide the application of an active balancing device in industrial cantilever rotors,a cantilever rotor test stand was set up to perform an experimental study of active balancing technology. 为了指导主动平衡装置在工业悬臂转子上的应用,搭建了悬臂转子实验台进行主动平衡实验研究工作。
- He loses his balance and fall to the grind. 他失去平衡，摔倒在地。
