Preheating Block is made of Aluminium powder, ferric iron powder, arenaceous quartz, and binder, and it can release great heat quickly after sparked.
预热块由铝粉、氧化铁粉、石英砂及粘结剂制成,点燃后可以在短时间释放大量热量;
词典释义:
石英砂
Preheating Block is made of Aluminium powder, ferric iron powder, arenaceous quartz, and binder, and it can release great heat quickly after sparked.
预热块由铝粉、氧化铁粉、石英砂及粘结剂制成,点燃后可以在短时间释放大量热量;
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