“管材缩口”的概念、定义、翻译、参考文献-科学参考

单词	管材缩口
释义	管材缩口 Encyclopedia 工学〔管材成形〕释 necking of tube管材缩口将管坯端部直径缩小的成形工艺。
随便看	potassium iodate potassium iodide potassium ion reabsorption potassium ion secretion potassium leak channel potassium leak channel; potassium channel; K^+-channel potassium magnesium sulfate fertilizer potassium metallurgy potassium minerals potassium niobate crystal potassium nitrate potassium nutrition potassium nutrition in plant potassium orthophosphate potassium perchlorate potassium permanganate potassium permanganate method potassium persulfate potassium polyphosphate potassium-retaining diuretics potassium-sodium exchange potassium sorbate potassium sulfate potassium thiocyanate potassium titanyl phosphate crystal

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