The drum with a squarepunch, increase the aperture ratio, increase drying efficiency.
内滚筒采用方形冲孔，加大开口率，提高烘干效率。
2
Venier caliper, metallic ruler, measuring tape, square, center punch, felt point marker pen.
卡钳，金属的直尺，卷尺，曲尺，中心冲，感觉测点作记号钢笔。
3
The old man remembered one of those summer days when he was heading for the Square after lunch and crossed paths with a newly graduated senior, who had enjoyed quite a few cups of that punch.