Ying yu bei kao zhi nan / Ying guo liu xue zhi nan / Ying yu zhi nan/ Ji chu ying yu xie zuo zhi nan/ Gong ye fa men xuan yong zhi nan / Sha gua sheng huo zhi nan / Xue ye bing zhen liao zhi nan / Xin shou yang hua bu bai zhi nan / PLC shi zhan zhi nan / Zhi wu guan cha zhi nan /
