结果表明：采用旋转气流及用改变旋流强度的方法来调节低压油烧嘴的火焰长度是切实可行的。
It has shown that adopting revolving air flow and adjusting the flame length by changing the strength of revolving for low pressure oil burners is feasible.
对于热喷涂的最新技术如低压等离子喷涂，高超音速火焰喷涂、激光喷涂，涂层激光处理，涂层的无损检验也作了说明。
The up-to-date techniques of thermal spraying, e. g. low voltage plasma spraying, supersonic flame spraying, laser spraying, laser treatment of coatings, nondestructive inspection for coatings...
第一节研究低压下热薄固体燃料表面的火焰传播机理。
In the first section, we have done the experiments of flame spread across solid thermal thin fuels in the low ambient pressures.
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