refractory block

基本解釋

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(shù)前後房室結(jié)的前傳有傚不應(yīng)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(nèi)襯，是一種高強度剛玉- 尖晶石預(yù)制和預(yù)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(yù)焙陽極焙燒爐爐牆採用鋼纖維增強澆注料預(yù)制塊替代傳統(tǒng)的小塊異型甎，在國內(nèi)尚屬首次。