To anthracite, adopting off - line type CDC calciner is more reasonable.尤其是针对无烟煤, 采用离线型CDC分解炉更为合理.Different assembling positions for calciner are designed according to different coal characteristics.结合燃煤特点,分别设计了不同的燃烧器安装位...
在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.与老式真空管相比,晶体管具有许多优点.Transistors have many advantages over the old - fashioned vacuumtube valves.真空管或显影管都未破碎.No vacuum or picture tube...
Kathryn's quiet voice stilled the clamour.凯瑟琳平静的声音使得嘈杂声平息了下来。I stilled my anxiety.我消除了内心的不安。Her crying slowly stilled.她的哭声慢慢静了下来。The people's voice has been stilled.人们安静了下来。The cicada is stilled. The chorus of ...