launch pad transportation

例句：

1. 1. The launchpad is located on the edge of thespace station.
   发射台位于空间站的边缘。
2. 2. Thetransportation system uses a launch pad to launchsatellites into orbit.
   运输系统使用一个发射台将卫星送入轨道。
3. 3. The launch padwas designed to withstand extreme temperatures andpressures.
   发射台设计能够承受极端的温度和压力。