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。
Operates a variety of high-pressure seamless steel gas cylinders, the products are mainly used in high-pressure filling of permanent gas or liquefied.
公司经营各种钢制无缝高压气瓶，该产品主要应用于充装永久气体或高压液化气体。
Root canal filling pastes for primary tooth have to meet more needs than paste for permanent tooth, such as being absorbed with root simultaneously and doing no harm to permanent tooth germ.
乳牙根充糊剂除需具有恒牙根充糊剂的特性外，还需具有充填后能与乳牙牙根同步吸收、对乳牙根尖周组织和恒牙牙胚无害等性质。
The purposes, requests and scopes of setting of explosion-proof walls in the cylinder filling station for permanent gases are discussed, and forms...
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。
The purposes, requests and scopes of setting of explosion-proof walls in the cylinder filling station for permanent gases are discussed, and forms...
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。
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