Manufacturing cabe defined as the _____ of raw materials into useful products through the use of the easiest and lest-expensive methods.
· processing
·transformation
· process
· transforming
出自:佳木斯大学语言治疗学

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
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