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).
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） 。
The utility model relates to a torch, and the tube of the torch is provided with the oil fuel.
本实用新型涉及一种管内装有燃油的火把。
In the practical production of equipment such as air conditioner, torch soldering is usually used to weld copper tube.
在空调等设备的生产中，经常采用火焰钎焊工艺来焊接紫铜管。
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