Applied linings,tightness是什么意思

网络释义

1)Applied linings,tightness,应用衬里密封性2)applied linings,应用衬里3)head lining,球封衬里4)sealing gasket,密封衬盘5)sealing bush,密封衬套6)sealing by bush,衬套密封

Development on sealing gasket of concrete jetting machine rotor;

混凝土喷射机转子密封衬盘的研制