刚性密封 meaning in Chinese

positiver sealing

Equipped with softly and mechanically sealing ball valves
装有柔性和刚性密封的球阀。
Aerospace - airframe ball bearings , single - row , rigid , sealed , light duty - inch series
航空航天.飞机结构用轻负荷单列刚性密封球轴承.英制系列
Aerospace - airframe ball bearings , single - row , rigid , precision , sealed , torque tube design , light duty - inch series
航空航天.飞机结构用轻负荷扭力管设计的单列刚性密封精密球轴承.英制系列