The effects of the factors such as valve spring and compression agent on the service life of valves were analyzed based on the damage forms of valve sheets of large-scale compressors.

根椐大型压缩机气阀阀片的失效形式，分析了气阀弹簧、压缩介质等因素对气阀寿命的影响。

youdao

The results show that the toroidal shell is a good type of compression ring for large scale storage tanks as well.

实验还表明对于大型拱顶储罐，采用圆环壳型的承压圈有较好的承载能力， 这是一种合理的结构型式。

youdao

Screw compression refrigeration unit is one kind of large scale compression refrigerator with characteristics of big refrigeration capacity, small floor area and high efficiency.

螺杆压缩制冷机是一种制冷能力大、占地面积小、效率高的大型制冷机。

youdao

Our technologies and services include: surface and subsea drilling and production, monitoring and diagnostics, measurement and controls, large-scale LNG, pipeline compression and inspection, well site and industrial power generation, technologies for the refining and petrochemical industries, and modular CNG and LNG units for transportation sectors.

WSJ: GE Unveils LNG In A Box(TM) System; Gasfin Selects New Technology for Fueling Stations in Europe