|曉昀發(fā)表于 02-16 15:38<i class="pstatus"> 本帖最后由 曉昀 于 2020-2-16 15:47 編輯 </i><br>
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焊接符號(hào)還是角焊縫的符號(hào),給出焊縫尺寸,并給出“2處”.<br>
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