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- ring piston servomotor 环形活塞继动器
- At the same value of frequency and size, the directivity of quadrate ring piston is sharper than that of quadrate piston. 在同一声波频率以及相同尺寸的情况下,方环活塞声源要比方形活塞声源的远场指向性更尖锐。
- In this paper, the radiation pressure and directional formulation are calculated by use of Reily-integrate, The directivity of radiated sound field of quadrate ring piston is analyzed. 摘要利用瑞丽积分,计算了方环活塞声源远场的辐射声压分布以及指向性公式,并对辐射声压的远场指向性进行了分析;同时,与方形活塞声源的指向性作了对比。
- Double-acting PTFE slide ring piston seals 双冲程PTEF滑动环活塞密封
- Double-acting polyurethane slide ring piston seals 双冲程聚亚胺酯滑动环活塞密封
- The directivity of acoustic field radiated from ring piston source 环状活塞声源辐射声场指向性研究
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- Get lathe No.9 set to turn the new piston. 把九号车床调好来车这个新活塞。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- The piston seems ok. Maybe something else is wrong. 活塞似乎没问题。可能别的什么东西坏了。
- Design Analysis and Simulation Research of Ring Piston Source System 振速变化的环形活塞声源系统的设计分析与仿真研究
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- I am sorry-she's out. Can you ring again later? 对不起-她出去了。你过些时候再打电话来好吗?
- The photoelectric cell controls a servomotor. 该光电管控制着一个伺服电动机。
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- Please ring for the attendant if you need anything. 如果需要什么,请按铃找服务员。
- The music was so loud it made my ears ring. 音乐的声音太大了,把我耳朵震得直响。
- The policeman felt that my story didn't ring true. 警察认为我讲的话听起来不可信。