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Document .nav{margin:0;padding:0; list-style:none;float:left;} .nav li{height:62px;line-height:60px;background:url('http://www.amonstar.com/photo/Template/00.png') right top no-repeat;float:left;font-size:18px;} .nav li a:link,.nav li a:visited,.
In High Frequency Welding of tube and pipe, the vee angle affects the weld quality very much. However, people have not had a professional instrument to measure it. So, I have developed a Vee Gauge, as shown in the attached photo.
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