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- speaker pressure rating 扬声器额定声压
- What is the pressure rating of a given fitting? 某个具体的管件的压力额定值是什么？
- Safety relief valves shall be labeled for relief pressure rating. 安全减压阀要有标示,标明压力释放级别。
- The sputtered thin film strain gauge technology provides excellent stability and a high burst pressure rating. 溅射薄膜应变测量技术为我们提供了良好的稳定性和很高的破坏额定压力值。
- The quantity of product a container can hold is determined by its water capacity and pressure rating. 容器的产品容量有它的水容积和额定压力来决定。
- High pressure rating flow control valves are available in cast iron, carbon steel and brass bodies. 适用于高压等级的流量控制阀可选用铸铁、碳钢和黄铜阀体。
- PRESSURE/TEMPERATURE RATINGS FOR BRONZE PRESSURE RATED VALVES? 青铜额定压力阀门的压力/温度额定值?
- Use of a pressure rating at a metal temperature other than that of the contained fluid shall be the responsibility of the user. 如果把上述温度只当作金属温度,而不当作所含流体的温度,由此产生的后果只能由使用者负责。
- The performance requirements of this document are intended to establish standard limits of acceptability regardless of size or pressure rating. 本标准的性能要求是不考虑规格或压力等级而制定的可接受的标准界限。
- The paper analysed a few ways of commonly testing water permeability,and studied the influence and control of pressure rate to the result of test. 文章对几种常见渗水性能测试方法进行分析研究,并对渗水测试中升压速率对试验结果的影响和控制进行研究。
- After analysis of the dynamic and static pressure rate and static pressure quantity, the parameters of ventilator had been measured in the operating condition. 因此对气动性能试验中对这种通风机动静压的 关系及大小进行分析，并确定在通风机运行状态下进行气动性能试验 。
- The blare of the speaker burst upon our ears. 扩音器的噪音突然传进我们的耳中。
- The guest speaker will be our old friend John Lewis. 特邀演讲者将是我们的老朋友约翰。路易斯。
- Supercooling degree small steam leak rate of less than 3%, maximum pressure rate of 75%, more connections, the sensitivity of better than a free float-type traps. 过冷度小，漏汽率小于3%25，最大背压率为75%25，连接件比较多，灵敏度不如自由浮球式疏水阀。
- The speaker's frankness disarmed the angry mob. 演说者的坦率缓和了愤激的群众的怒气。
- They all jeer at the foolish speaker. 他们都嘲笑那个愚蠢的演说者。
- The speaker lost himself in verbiage. 那个人演讲叠床架屋兴头十足。
- Clarity of diction is vital for a public speaker. 发音清晰对演说家至关重要。
- Pressure rating : 250 psig air. 压力等级：250 PSIG中的空气。
- The speaker got off one or two very amusing jokes. 发言者讲了一两个很有趣的笑话。
