求翻译：7.刷第三遍乳胶漆：做法同第二遍乳胶漆。由于乳胶漆膜干燥较快，应连续迅速操作，涂刷时从一头开始，逐渐刷向另一头，要上下顺刷互相衔接，后一排笔紧接前一排笔，避免出现干燥后接头。是什么意思？

7. Brush third latex paint: practice with second time latex paint. Due to latex paint dry faster, continuous operation quickly, starting from the end when brushing, gradually brush to the other end, interface to Shun brush up and down, a combination brush pen, immediately after the previous combination brush pen, avoid dry joints.