| 1. | Child of civilization : life and works of joseph brodsky
布罗茨基的生平和创作 |
| 2. | A nobel literature prize winner - russian poet burotsky
诺贝尔文学奖得主俄罗斯诗人布罗茨基 |
| 3. | Roots type blowers for general purpose . part 1 : specification
一般用途罗茨鼓风机.第1部分:技术条件 |
| 4. | Methods of noise measurement for fans , blowers compressors and roots blowers
风机和罗茨鼓风机噪声测量方法 |
| 5. | Methods of noise measurement for fans , blowers compressors and roots blowers
风机和罗茨鼓风机噪声测量方法 |
| 6. | The rotor of roots blower is the key component relate to the noise
罗茨风机的转子是影响噪声的关键零件。 |
| 7. | Roots type blowers for general purpose . part 2 : performance test methods
一般用途罗茨鼓风机.第2部分:性能试验方法 |
| 8. | Analysis of flow characters and noise of large flow three leaves roots blowers
大流量三叶罗茨风机的流量特性及噪声分析 |
| 9. | Application of enveloping curve of circular arcs in design of roots rotor profile
圆弧包络线在罗茨转子型线设计中的应用 |
| 10. | Under which condition do the organization fit the crozier ' s low efficient model
什么条件下表现出克罗茨描述的低效率刚性 |
