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icanplay:清漆的透明可以直观反映焊接表面的质量,但是表面好不等于里面一定就好,以前看大国重器里面的高铁记实有这么一个片段,德国焊工跟中国女焊工当众比赛,我方女焊工率先完成并且表面质量更胜一筹,这时候德方焊工要求切开,结果德方焊工的焊品表里如一而我方的焊品内部有虚焊,让我 .. (2016-08-27 22:18)