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

单词	screw coupling
释义	screw coupling noun A female screw with threads at both ends for joining lengths of piping or rods.As early as 1919 it decided to replace screw couplings on its 41,661 freight wagons with American-type automatic couplers which were safer, especially on narrow-gauge lines.
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