trailer launching platform

例句：

1. 1.The trailer launching platform is used to launch the trailer onto the road.
   拖车发射平台用于将拖车驶上道路。
2. 2.The engineers carefully checked the trailer launching platform before starting the work.
   工程师们在开始工作前仔细检查了拖车发射平台。
3. 3.The trailer launching platform was designed to ensure safe and efficient transportation of heavy loads.
   拖车发射平台的设计旨在确保重载的安全和高效运输。