1)Actio institoria,总管之诉2)main duct,总管3)main line,总管4)main pipe,总管5)main,总管6)manifold,总管7)header,manifold,总管8)header pipe,总管9)quadrate centrum main pipe,方锥总管10)feeding pipe,加料总管
用法例句
Present difficult,couse analysis,couutermeasures and obtained effect on the running of hot oil furnace reactor,feeding pipe,and heavy end unit after SAN unit putting into production are reviewed in this paper.
