英语词汇“unified screw thread”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	unified screw thread
释义	unified screw thread unified screw thread n (General Engineering) a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization unified screw thread unified screw thread [′yü·nə‚fīd ′skrü ‚thred] (design engineering) Three series of threads: coarse (UNC), fine (UNF), and extra fine (UNEF); a ¼-inch-diameter (0.006-millimeter) thread in the UNC series has 20 threads per inch, while in the UNF series it has 28.
随便看	afar national democratic party a-farnesene a far off look a far-off look afar pastoralists development association afarpo afar revolutionary democratic union front afars afar-saho languages afars and issas afars and issas french territory of afars and the issas afars and the issas, french territory of the afarv afas afas academic grant program afasadds afasak afasam afasc afase afasec a fashion victim afasi afasic

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