bridge opening contraction

例句：

1. 1. The bridge opening is a crucial part of the construction process.
   桥梁开口是施工过程的关键部分。
2. 2. The engineers carefully measured the bridge opening to ensure safety.
   工程师们仔细测量了桥梁开口以确保安全。
3. 3. The bridge opening was closed due to heavy rain.
   由于大雨，桥梁开口被关闭了。