自闭合 meaning in Chinese

self closing
self-closing

Specification and testing of lpg cylinder valves - self closing
自闭合式液化石油气瓶阀规范和试验
Neurosurgical implants - self - closing intracranial aneurysm clips
神经外科植入物.颅内动脉瘤自闭合夹
Specification and testing of lpg cylinder valves - self closing includes amendment a1 : 2003 ; german version en 13152 : 2001 a1 : 2003
自闭合式液化石油气储气瓶阀的规范和检验