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發(fā)布時(shí)間: 2022-4-28 09:32
正文摘要:求問(wèn)各位大神: 1. 壺裝糧油外層包有紙箱,根據(jù) JJF 1244-2010 計(jì)算空隙率時(shí)發(fā)現(xiàn)為負(fù)數(shù)(壺裝糧油體積為31347812mm3,外紙箱體積為38699248mm3,按公式壺裝糧油體積要乘以1.6的系數(shù),再被外紙箱體積減去時(shí)就為負(fù)數(shù) ... |
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