츲ķôЩͿһרͿƵͿװǿ,ͿڲѡԼװĽṹDzȫһµӦõͿҺԼͿϲͬڲɽֽȽͿǽµƳܹʵװ˴жλϵͳͷܹǾĿͿģڸòƷеˮԼҺǿԾͿ絽ҪλҪԲζ 츲ǸòƷ**ƺ ҪƺΪͿͻȵͨPCBò츲һ ʵԽֹļеĿͻ˾ʱһЩȻǽרҵϣܹñͿЩӦôѡ츲ҲǾ ̸̸Ϳķ: 1Ϳ Ϳƾ֤еʵҪṩרҵװƻ 2,ѡͿ ѡͿṩһࡢЧȫԶѡλͿ,ֹͿѡ ӶȥĤȥĤȷƵͿ[ ]ȷ0.02mmȵ츲Чȳ-ֹͿݡˢȷ˸ԵˢЧ ͲƷ 3Ϳ ͿṩһࡢЧȫԶͿȷƵͿȷ0.05mmȵͿЧȳһֹͿݡͿˢȷ˸ԵˢЧʺͲƷôѡͿʵֻƾ֤Լϸٲοһ.صж˵ӦòʹǶ֪ϿֺƷֱӵֱ㻹֪·屻ˢʱЩҪעصҲҪעصĵطñһ·.ϻвĽӿԴӿڵҪͨIJݶճڻᵼ¾Եʹ֮ǰҪ÷ѽӿڲݸסȻֱ֮Ӱѷ˺
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