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合格率越高，故障成本越高

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如果在制品的远浇口端有困气的现象，应该降低注射速度（哪一级）

As for a syllable, nucleus is essential while ________ and coda are optional.

14种空间格子也叫14种布拉维格子。

The process of coarticulation in which the first sound get influenced by the second is called ______ coarticulation.