Reassured by that design, about five years ago he put his naked thumb into a jet of microbe-destroying plasma at the lab of another plasma researcher.
为了打消设计上的疑虑，五年前Kushner曾在另一位等离子体研究员的实验室中将光秃秃的拇指伸进灭菌等离子体喷口。
Cutting gas is to ensure that the formation of plasma jet, and to ensure that remove the molten metal oxides and incision.
切割气体既要保证等离子射流的形成，又要保证去除切口中的熔融金属和氧化物。
Increase the compression degree can make arc of high temperature plasma jet extended, form more uniform high temperature area, and increase the speed of the jet, can reduce the width of the poor.
增加电弧的压缩程度可以使高温等离子射流延长，形成更为均匀的高温区域，同时加大射流的速度，可以减小切口上下的宽度差。
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