例句與造句

1. Labor force quota for signaling engineering in city transit system
   城市軌道交通通信信號工程勞動定員定額
2. Standard for constructional quality acceptance of railway signal engineering
   鐵路信號工程施工質(zhì)量驗(yàn)收標(biāo)準(zhǔn)
3. It's difficult to find signalling engineering in a sentence. 用signalling engineering造句挺難的