机械密封：采用WB2型、ST型不用冷却水可调式端面密封技术，由碳化硅，高纯度氧化铝陶瓷、填充四氟，石墨等材料制成。
Mechanical seal: use of WB2 and st non-water-cooled adjustable end face sealing technology, composed of silicon carbide, high purity alumina ceramic, packing PTFE and graphite etc.
采用低毒的N 羟甲基丙烯酰胺体系凝胶注模成型氧化铝陶瓷，研究了该体系下浓悬浮体的制备及固化过程。
The alumina ceramics is gel-mould cast with low toxic N methylolacrylamide system. This paper reports the investigation on the preparation of alumina suspension and its solidification process.
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