短语词组短语memory vectorcardiograph 记忆心电向量图机;储存心电向量图机differential vectorcardiograph 差动式心向量图机ray tube vectorcardiograph 释义阴极射线管心电向量器memory y vectorcardiograph 记忆心电向量图机cathode -ray tube vectorcardiograph 阴极射线管心电向量器 返回 vectorcardiograph