“multi-billet extrusion”的概念、定义、翻译、参考文献-科学参考

单词	multi-billet extrusion
释义	multi-billet extrusion Encyclopedia 工学挤压释 multi-billet extrusion多坯料挤压在同一个挤压筒上开设多个筒孔，在各个筒孔内装入尺寸和材质相同或不同的金属坯料，然后同时进行挤压，使其流入同一个挤压模内焊合成一体，然后再由模孔挤出，以获得所需断面结构、形状与尺寸的产品的新型挤压方法。
随便看	polynomial-time algorithm polynomial time approximation scheme polynomial-time approximation scheme polynomial-time approximation scheme (PTAS) polynomial time class P polynomial time complexity class polynomial time complexity class, P polynomial time computable distribution polynomial time hierarchy polynomial time many-one reducible to polynomial time reducible language polynomial time reduction polynomial time samplable distributions polynomial time Turing reducible to polynomial trend polynomial triangle center polynomial valuation polynomial-valued polynomial vector field polynomial without affect polynomial without constant term polynorbornene polynosic polynuclear polynuclear coordination compound

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