您要查找的是不是：
- ring piston meter 筒形活塞式流量计
- 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。
- In the picture a man is seen observing a meter. 你在图中可以看见一个人在观察仪表。
- 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。
- Do you remember the reading on the meter? 你记得表上的读数吗？
- The boy is one meter tall in his stocking feet. 这个小男孩不穿鞋的身高是一米。
- 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。
- Fantastic, he cleared2.4 meter without difficulty. 好极了，他轻松地越过了2米4。
- 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
- Follow the railroad track about100 meter. 顺着铁路走大约100公尺。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- He broke the record for the one-hundred meter dash. 他打破了百米赛跑纪录。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
