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ÄÁÅÙÃ÷ | contents |
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½ºÅ͵ð | study |
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%´ÜÀ§¸¦ ppmÀ¸·Î ¹Ù²Ü ¶§ÀÇ Àǹ®Á¡... |
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±Û¾´ÀÌ : ±è¾ÆÁø °íÀ¯ID : ±è¾ÆÁø
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%/ppm = 10,000À̹ǷÎ
20% * 10,000 %/ppm ´ÜÀ§¸¦ ½á¼ ppmÀ¸·Î ¹Ù²Ù·Á¸é
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