... solid bar；硬杆 solid bushing；坚固衬套 solid carbide；固态碳化物，硬质合金 ...
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solid porcelain bushing 实心瓷套管
The erosive property and principle of copper-infiltrated graphite as solid rocket motor(SRM) throat insert and tailpipe nozzle bushing are presented.
介绍了石墨渗铜材料作为固体火箭发动机（SRM）喉衬与长尾管衬套的烧蚀特性和机理。
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