operationalist

例句：

1. 1. The engineer was an excellent operator of the new machine.
   这位工程师是新机器的杰出操作员。
2. 2.The team needs a good operator to help them with their project.
   团队需要一位好的操作员来帮助他们的项目。
3. 3. The operationalist carefully monitored the process to ensure it was running smoothly.
   操作员仔细监控过程，确保其运行顺畅。