refractory block

基本解释

The anterograde effective refractory period and Wenckebach block point were measured before and after ablation.
進行慢逕路改良，觀察手術前後房室結的前傳有傚不應期和文氏阻滯點的改變。
The non-porous refractory liner, - the nest block is a high strength Corundum – Spinel pre-cast and pre-fired shape.
非多孔耐火材料內襯，是一種高強度剛玉- 尖晶石預制和預焙燒的成型的。
The construction of the wall of anode roasting furnace with steel fiber reinforced refractory precast block instead of traditional small special shape brick is introduced in the paper.
預焙陽極焙燒爐爐牆採用鋼纖維增強澆注料預制塊替代傳統的小塊異型甎，在國內尚屬首次。