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pigging

['pigiŋ] n
gen. 生铁
chem. 清管器清扫; 管道内部的清管器清理
met. 加生铁增碳 (back)
oil 清管
repr.biol. 母猪产仔
tech. 管道清扫 (of pipe)
pig [pɪg] v
gen. 生小猪; 贪吃
pigging
: 31 phrases in 8 subjects
Animal husbandry3
Compressors1
General1
Metallurgy4
Navigation1
Oil / petroleum12
Reproductive biology2
Technology7

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