一线工人：
一次输出波型[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/83/3658391259109934.jpg');}"onmousewheel="returnimgzoom(this);">一次GE波型[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/83/3658391259110017.jpg');}"onmousewheel="returnimgzoom(this);">二次负BE波型[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/83/3658391259110130.jpg');}"onmousewheel="returnimgzoom(this);">以上是焊机在直流焊TIG焊时的波型野外拍照,效果不好以上波型请老师们指出故障在哪里二次BE波型[图片]500){this.resized=true;this.width=500;this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/83/3658391259111200.jpg');}"onmousewheel="returnimgzoom(this);">