n.平板封頭 bag closures: 袋子密封件faulty closures: 封罐不良;卷封不好; 卷邊不良hull closures: 船體關(guān)閉設(shè)備school closures: 學(xué)校停課screw closures: 螺旋蓋頭下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯