阐述了用双级气浮法处理洗毛废水的全部过程及结果。
This article expounds the entire process and results of treatment of wool scouring effluent by two stage air floatation method.
介绍一种用于双顶置凸轮轴式发动机的采用两级谐波传动的新型进气凸轮轴调相机构。
A new camshaft-phasing mechanism with twin harmonic drives is described and illustrated, which can be adopted to DOHC (double overhead camshaft) engines.
具有双级液体压力输出的气—液复合传动系统，能实现低压大流量到高压小流量的自动切换。
The pneumatic-hydraulic composite transmission system with two-step output liquid pressure automatic switchover from low pressure and mass flow to high pressure and little flow.
采用数值模拟的方法，研究了引气对某双级轴流压气机气动性能的影响。
The effect of bleeding on the performance of a two-stage axial-flow compressor was performed with the help of numerical method.
其结构采为单级叶轮，叶轮双面进气，双支承。
Both sides of the impeller blow air, and the impeller is with double bearings.
一种双级滑阀真空泵，由气路管道和二级滑阀缸组成。
The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.
一种双级滑阀真空泵，由气路管道和二级滑阀缸组成。
The utility model provides a double-stage slide valve vacuum pump, which consists of an air pipe and two slide valve cylinders.
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