本发明的耐磨层由六角形金属龟甲网，在网内填实刚玉形成。
The said antiwear layer is made up of hexagonal metal net in which corundum is filled.
催化裂化装置中两器有龟甲网双层衬里或无龟甲网双层衬里隔热内衬。
Double-layer heat insulation inner inner liner without tortoiseshell net, inner liner of high temperature hot air pipeline, inner liner of heating furnace and so on in catalyst creaking apparatus.
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