扁头平封头,平盖flat: adj. (flatter; flattest) 1.平 ...head: n. 1.头,头部,首。 2.头脑,才能;智力,想像力, ...bolted flat head: 螺栓连接式封头; 螺栓连接式平封头; 螺栓连接式平盖brass screw with flat head: 平头铜螺钉ceramic flat head: 陶瓷扁平磁头下载手机词典可随时随地查词查翻译