工こう程てい線せんMeaningsNoun1. production lineKanji used工construction程extent線lineComposed of工こう程ていprocess; operation; stage of a process; progress of workNoun線せんline; stripe; stria; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad); track; route; …Noun