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foreline ['fɔ:lain] n
gen. 前级〔预抽〕管道; 预抽真空泵泵间线; 鱼镖绳; 鲸炮绳
oil 前级管道
tech. 前级真空管线
foreline
: 9 phrases in 3 subjects
Business1
Construction3
Technology5