热门单词
- 占线
- 占线信号 engaged signal;
- 占线信号灯 engaged lamp; visual busy-lamp;
- 占线吊牌 busy drop;
- 占线小时 Erlang; traffic unit;
- 占线指示器 busy indicator
- 占线指示灯 busy lamp;
- 占线测试[试验] busy test;
- 占线灯 busy lamp (电话);
- 占线继电器 busy relay; busy test relay;
- 占线蜂音busy-buzz;
- 占线计数 peg count;
- 占线计数器 {工} peg count meter;
- 占线通道 {电} active channel;
- 占线闪光信号 busy-flash signal;
- 占课
- 占领
- 占领军 occupation army; an army of occupation;
- 占领制度 occupation regime;
- 占线计数电路 peg count circuit;
- 占领区 occupied area;
