The HK Series is designed for general purpose hydraulic service in stationary and mobile Oil & Gas applications.
HK 系列接头设计用于一般用途的液压服务（静止的和流动的石油和燃气）。
The choice and application of the general vacuum pump oil are described, a reference is given to the user, service workers, works and sales departments in the article.
介绍常用真空泵油的选择考虑和应用实例，供用户、有关厂商和维修人员参考。
应用推荐