Abstract:A new idea is studied out for the design of the specification of oil return capillary ofrefrigeration system's oil separator.
摘要：研究出一种新思路，用于设计制冷系统油分离器回油毛细管的规格。
Our company can provide various steel grade and specification ERW oil pipes.
我公司提供不同钢级、多种规格的ERW石油钢管。
Descriptions are presented on latest specification of diesel engine oil and its evaluation procedure, which can be guidance for development and application of lube oil in China.
简要介绍了国内外实施的发动机排放标准，详细描述了最新的柴油机机油规格及其评价方法，对我国机油的研发与应用有指导意义。
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