主轴密封 meaning in English

shaft seal

Main shaft seal equipment achieves national patent
主轴密封装置获国家专利。
The technology of the mainshaft sealed apparatus has got the state patent it has two funetions of electric and steam heating
主轴密封装置获国家主利。具有电、汽两种加热功能。
Espey burgmann gmbh is a company operating within many ranges and offers rotary shaft seals , shaft sleeves as well as special structures
Espey burgmann gmbh是一家高级企业，该企业针对客户需求制造专门的特殊结构类型,轴密封、主轴密封、轴汽封。