grain situation measure and control的意思|示意
美 / /
英 / /
粮食形势的测量与控制
grain situation measure and control的网络常见释义
粮情测控 Microsoft Word - 041 关键字： 粮情测控；采集器；电力线载波 [gap=706]Key words: grain situation measure and control; Collection station; power-line carrier