短語詞組短語absolute refractory phase 絕對不應(yīng)期alternating prolongation refractory phase heart 心臟不應(yīng)期交替延長sinus node effective refractory phase 釋義竇房結(jié)有效不應(yīng)期;竇房結(jié)有效不應(yīng)期composite phase refractory 多相耐火材料composite e phase refractory 多相耐火材料 返回 refractory phase