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oil physico-chemical analysis
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oil physico-chemical analysis
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石油产品评定
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oil physico-chemical analysis
油品理化分析
用统一规定或公认的试验方法,分析检验石油产品理化性质的试验过程。是石油产品生产、销售、使用过程中的质量控制手段。
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lacunary principle
lacunary sequence
lacunary series
lacunary space
lacunary system of functions
lacunary trigonometric series
lacuna vasorum
lacus
Lacus Aestatis
Lacus Autumni
Lacus Bonitatis
Lacus Doloris
Lacus Excellentiae
Lacus Felicitatis
Lacus Gaudii
Lacus Hiemalis
Lacus Lenitatis
Lacus Luxuriae
Lacus Mortis
Lacus Odii
Lacus Perseverantiae
Lacus Solitudinis
Lacus Somniorum
Lacus Spei
Lacus Temporis
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