例句與造句

1. Toll switching trunk
   長途交換干線
2. It is necessary to appropriately combine and rationally plan the switching trunks in the same direction , and combine the trunk circuits in different direction into a stm - 1 port and determine the way to network the trunk circuits in the transmission network according to the trunk direction and taking into account the structure of the transmission network
   此時，需要將同方向的交換中繼進行適當(dāng)?shù)慕M合與合理規(guī)劃，根據(jù)中繼方向，結(jié)合傳輸網(wǎng)絡(luò)的結(jié)構(gòu)，將不同方向的中繼電路組合在stm - 1端口中，并確定中繼電路在傳輸網(wǎng)中的組網(wǎng)方式。
3. It's difficult to find switching trunk in a sentence. 用switching trunk造句挺難的