double stage compressor

Sewag Source is abundant in Daqing,useing double-stage sewage source heating pump systems to recovery heat,can effectively improve the existing energy structure and develop renewable clean energy.

大庆地区污水源丰富,采用双级污水源热泵系统回收余热,能够有效地改善现有能源的结构和发展可再生的清洁能源。

The new de-oiling settler of two-stage inclined pipe settling wall was divided into two stages.

新型的双级斜管沉淀墙除油沉淀器分为两级,前一级为异向流斜管沉淀和粗粒化除油,后一级为斜管隔油。

Developing and application of hydraulic double-stage collar;

液压式双级箍的研制及应用

The effect of two-stage ageing and retrograssion and reaging heat treatment(RRA)on the fracture toughness and stress corrosion cracking resistance of B95ЛЧ forging was studied.

研究了双级时效工艺和回归再时效(RRA)工艺对B95ЛЧ铝合金锻件的断裂韧性和应力腐蚀性能的影响。

The effects of double aging on mechanical properties of low pressure casting aluminum alloy wheel were studied.

研究了双级时效工艺对A356铝合金低压铸造轮毂力学性能的影响。

The results demonstrate that double aging can be used to accelerate aging processing and increase corrosion resistance.

为了进一步调整现有的热处理工艺,充分挖掘1420铝锂合金的综合性能潜力,采用单级时效和双级时效两种时效工艺,系统地研究了时效工艺对1420铝锂合金组织及性能的影响,重点研究了双级时效对合金沉淀相析出行为及合金性能的影响。

Normal stretching property and eletrical conductivity of 7475 aluminum alloy under the conditions of double aging and regression re-aging(RRA) are measured.

测定了7475铝合金双级时效及回归再时效(RRA)工艺状态下的常规拉伸性能和电导率,并通过标准三点弯和圆周切口圆柱试验测定各时效工艺的断裂韧性。

Development of a Networked Two-level Controlled Economic NC Lathe;

网络化双级控制经济型数控车床的开发