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<p style="text-align: left;"></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1BpBA/8a02b6886ba4854bf0716da43715592b3f4a80ea" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1BpBA/8a02b6886ba4854bf0716da43715592b3f4a80ea" data-origin-width="3024" data-origin-height="4032"></div><p style="text-align: left;">배관직선 길이중 고가수조높이가 12m인데<br>왜 9m로 계산되었는지요?<br>9+35+8+5+1:58m</p>
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첫댓글 https://cafe.daum.net/kimoonsa/CxHl/4270
감사합니다