作业帮请问下面这句话有语法上的错误吗?
来源：学生作业帮 编辑：作业帮 分类：综合作业 时间：2024/05/13 05:49:21
请问下面这句话有语法上的错误吗?
Main products & services
Heavy steel structure manufacture,harbor machinery manufacture,fabrication of pressure vessel manufacture.
Main products & services
Heavy steel structure manufacture,harbor machinery manufacture,fabrication of pressure vessel manufacture.
Heavy steel structure manufacture,harbor machinery manufacture and fabrication of pressure vessel manufacture.