短语词组短语adrenergic neuron blocking agent 肾上腺素能神经元阻断剂beta -adrenergic receptor blocking agent 受体阻滞剂Cardiac adrenergic blocking agent 心脏肾上腺素能阻滞剂alpha -adrenergic blocking agent 受体阻滞剂 返回 adrenergic blocking agent