In bottom pouring, the molten steel is poured into a central trumpet, from where it flows through runners to the bottom of a number of ingot moulds. The steel rises slowly in the moulds without turbulence.

• 下注法是把钢液浇人中心注管，钢液从中心注管通过流钢槽流到若干个钢锭模底。钢液在模内不受搅动平稳上升。