这种密封通常由控股火炬火焰平稳，吹制出一个洞，在主体玻璃机构，以配合第二管（软管连接在这个例子中） 。
This seal is normally made by holding the torch flame stationary, blowing out a hole in the main glass body to match a second tube (hose connection in this example).
保持容器密封，远离强氧化剂。热源，火焰及易燃物。
Keep The Container Sealed, Keep Away From Strong Oxidizing Agents. heat, Fire And Flammable Materials.
数额强调，目前将取决于多项因素，包括强度和规模的火炬火焰，玻璃墙厚度和复杂性密封本身。
The amount of stress present will be determined by a number of factors including the intensity and size of the torch flame, glass wall thickness and the complexity of the seal itself.
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