Is there a formula to calculate the harmonic resistance support? 新评论 Guo Zheng Zhang 2020.03.31 14:58 Is there a formula to calculate the harmonic resistance support? buy sell 2020.03.31 15:02 #1 Guozheng Zhang: Is there a formula to calculate the harmonic resistance support? yes. i have one. buy sell 2020.03.31 15:02 #2 buy sell: yes. i have one. let me help you 新评论