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chem. 筛孔〔眼〕
eng.geol. 滤孔; 篩孔
hydroel.st. 筛孔; 筛眼
oil 筛管绕丝间隙
tech. 网目孔
screen opening: 10 phrases in 4 subjects
Chemistry2
Oil / petroleum3
Technology4
Textile industry1