tunnel muck hauling

例句：

1. 1. The tunnel muck hauling was a major environmental concern during construction.
   隧道挖掘废物运输是建设期间的主要环境问题。
2. 2. The company's new tunnel muck hauling system has significantly reduced the amount of waste generated.
   该公司的新隧道挖掘废物运输系统已显著减少了产生的废物量。
3. 3. The workers were required to transport the tunnel muck to the designated dump site.
   工人们被要求将隧道挖掘废物运送到指定的填埋场。