removing dampness and dredging channel blockade

例句：

1. 1. The team is removing the old equipment for new ones.
   团队正在拆除旧设备以安装新设备。
2. 2.The company is removing the old office building to make way for a new one.
   公司正在拆除旧办公楼以建造新的。
3. 3.The task of removing the trash from the streets is a difficult one.
   从街道上移除垃圾的任务是一项艰巨的工作。