permanent filling的意思|示意

The purposes, requests and scopes of setting of explosion-proof walls in the cylinder filling station for permanent gases are discussed, and forms of explosion-proof walls are introduced.

对永久气体气瓶充装站设置隔爆防护墙的目的、防护要求及范围进行探讨，并介绍了设置隔爆防护墙的结构型式。

Methods Apicoectomy was performed immediately after the permanent root canal filling.

方法对慢性根尖瘘管进行常规根充后，即刻行根尖切除术。

Come back in two weeks for the permanent filling.

两周后再来做个永久性的填充。