oxyacetylene flame

The preferred method is by oxyacetylene flame.

最好采用氧炔焰加热方法.

welding and cutting in 1949, beijing has geo-drilling, electric welding and cutting etc oxyacetylene flame manual operation.

焊接与切割。1949年，北京已有气焊、电弧焊及氧乙炔火焰切割等手工作业。

a mild pre-heating of the whole socket area is recommended. apply heat to parts to be joined. the preferred method is by oxyacetylene flame.

建议对整个管套区域进行适当的预热。建议采用乙炔火焰对连接部件进行加热。

A multifunctional oxyacetylene flame powder spray gun

新型氧乙炔火焰粉末多功能喷枪

By means of oxyacetylene flame spraying and selection of different coating, surface adhesion factor of automobile drum type machine are improved, thus resulting in the maximum efficiency of vehicle drive moment.

以氧乙炔火焰喷涂工艺与选择喷涂层为手段，着力于提高汽车试验台转鼓表面附着系数，以获取汽车驱动力矩最大效能。

oxyacetylene flame is used for heating, melt welding filler metal wires) and (the welding heat source;

气焊的火焰是用来加热、熔化焊件和填充金属（焊丝）进行焊接的热源；

The temperature of oxyacetylene flame was simultaneously measured by the pyrometer and a thermocouple. And the measurement error of the single-wavelength pyrometer is only 6.2%.

由单色高温计与热电偶测温对比实验可知，在单色测温中爆炸产物可近似看作黑体处理，其误差率为6.2%。