<div style="text-align:left;"><img width="800" height="600" class="chimg_photo" style="border:;" alt="x200-2.jpg" src="http://thimg.todayhumor.co.kr/upfile/201712/151314364008bda5a76e9d4ca788398735acedf82d__mn767440__w1440__h1080__f349823__Ym201712.jpg" filesize="349823"></div> <div style="text-align:left;"><img width="800" height="600" class="chimg_photo" style="border:;" alt="x500-1.jpg" src="http://thimg.todayhumor.co.kr/upfile/201712/151314365074b7e3433d27463da9a9f1ba8a44832c__mn767440__w1440__h1080__f250185__Ym201712.jpg" filesize="250185"></div> <div> </div> <div>알루미늄합금 AC4C랑 ACD12중에</div> <div>ACD12 인것같은데 미세조직 분석좀 부탁드려요 ㅠㅠ<br></div>