单词sucher
网络: 苏澈尔
I would think finclause good friend is sucher comparing with others sings .
我认为好朋友是象和其他相比的快乐唱歌。
Analysis of Twisting Vibration Eigenfrequencies of Rotary Sucher-rod String
旋转抽油杆柱扭转振动固有频率分析