Warning: file_put_contents(): Only 0 of 6245 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 delta-connection英英字典_delta-connection剑桥英语解释_delta-connection柯林斯英文解释_奇葩剧汉英词典
1. N a connection used in a three-phase electrical system in which three elements in series form a triangle, the supply being input and output at the three junctions 三角形联结→comparestar connection