pipe casting

例句：

1. 1. The process of pipe casting is a complex one that requires careful planning and execution.
   管道铸造过程是一项复杂的工作，需要仔细规划和执行。
2. 2.The pipe casting was done using a specialized machine that could handle the heavy metal alloys.
   管道铸造使用了一台专门处理重金属合金的机器。
3. 3.The success of the pipe casting project depended on the quality of the materials used and the expertise of the craftsmen.
   管道铸造项目的成败取决于所用材料的质量以及工匠的专业技能。