Warning: file_put_contents(): Only 0 of 4843 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/62383.com/index.php on line 55 tickler coil英英字典_tickler coil剑桥英语解释_tickler coil柯林斯英文解释_流逝汉英词典
1. N a small inductance coil connected in series in the anode circuit of a valve and magnetically coupled to a coil in the grid circuit to provide feedback 反餽線圈