而弧压调高要依赖电弧，火焰切割是不出现电弧的。
The high pressure and arc will rely on the arc, flame cutting is not appear the arc.
目前制备高性能涂层常用的方法有等离子喷涂、电弧喷涂、超音速火焰喷涂等。
There are some methods that are plasma spraying, arc-spraying and hypersonic flame spraying technology to prepare alloy coating with high erosion and corrosion resistance.
全面介绍碳纳米管的制备方法，包括电弧法、 热解法、 火焰法等。
The methods for preparing carbon nanotubes including electric arc synthesis, pyrolysis and decomposition of hydrocarbon, and flame synthesis , etc.
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