Simple Art - Take a pegboard and stretch different color rubber bands in various shapes until every peg has been used at least once.
简单的艺术-用一个小钉板，画出不同形状不同颜色的橡皮筋，直到所有挂钉都至少被用过一次。
The mostly used pressing binder in the manufacture of cemented carbide home and abroad, such as rubber, paraffin wax, PEG, SBS and so on is summarized in the paper.
总结介绍了目前国内外硬质合金生产中主要使用的几种成型剂：橡胶成型剂、石蜡成型剂、PEG、SBS高分子成型剂等。
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