分段式出钢口袖砖(① The wear pattern inside a used segmented taphole sleeve is shown in Figure 3. 一个使用过的分段式出钢口袖砖内部磨蚀形状示于图3。② For comparison, the tap time and service life of segmented taphole sleeves of similar dimensions are shown in Figure 6.为了进行比较,将类似尺寸分段式出钢口袖砖的出钢时间和使用寿命示于图6。)