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eng.geol. 分级标准; 粒级表
expl. 粒级
oil 粒级标准
tech. 粒级 (标准); 粒级标度; 粒度分级标准; 颗粒分级标准; 土粒大小尺度
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: 32 phrases in 8 subjects
Business1
Chemistry1
Desert science1
Economics1
Law1
Oil / petroleum4
Soil science9
Technology14