例句與造句

1. The manufacture of systems and components such as sensors , actuators , relays and signal horns takes place internationally
   系統(tǒng)及零部件生產(chǎn)，如傳感器，致動(dòng)器，照明設(shè)備，繼電器和喇叭采用國際化生產(chǎn)。
2. It's difficult to find signal horn in a sentence. 用signal horn造句挺難的