tubing mill

例句：

1. 1. The tube-rolling mill is used to produce steel pipes.
   管式轧机用于生产钢管。
2. 2. Thetube-rolling mill is a crucialpart of the steel production process.
   管式轧机是钢铁生产过程中至关重要的一环。
3. 3.The tube-rolling mill has ahigh efficiency and low energy consumption.
   管式轧机效率高，能耗低。