去年十月成功地轧出了第一批低合金槽钢: last october the first batch of low alloy channel steel was successfully rolled
就是: 1.(表示同意) quite right; exactly; precisely 短语和例子就是嘛, 我也这么劝过她。 precisely. that's just what i had tried to talk her round.2.(即使) even if; even 短语和例子就是小学生也知道这一点。 even school children know this.