Flatat弗拉塔flatadj.平坦的；扁平的；单调的；断然的；[音乐]降音的；气不足的adv.平直地；直截了当；低于标准音高地n.<英>公寓；平面部分；[音乐]降半音；泄气轮胎v.变平；降调；住公寓flat optical tool光学玻璃平面研磨盘flat-type relay扁平型继电器flat pointed file尖扁锉flat-field lens平扫描场透镜flat face scraper平面刮刀flat-plate drag平板阻力flat-die hammer自由锻锤flat-bottom tank平底罐flat-down method六角钢平轧法flat end set screw平端固定螺钉