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size fraction
eng.geol. 粒组成分; 粒徑部分
expl. 粒度级别物料的两个规定尺寸极限之间的范围,以及该范围内的颗粒尺寸
hydroel.st. 粒组
met. 粒度级别; 粒级
tech. 粒径分级; 粒组; 粒径组成; 粒度级份额; 颗粒组; 颗粒级别; 颗粒的级分
size fraction
: 22 phrases in 8 subjects
Desert science2
Drilling1
Electronics1
Engineering geology2
Explosives and Explosive Ordnance Disposal1
Metallurgy1
Space1
Technology13