n. 磨粉厂的设计者, 机器安装工

[化] 设计师; 磨粉厂设计师; 机器安装工; 工厂的机器安装工

[ noun ]
a workman who designs or erects mills and milling machinery
<noun.person>

Millwright \Mill"wright`\, n.
A mechanic whose occupation is to build mills, or to set up
their machinery.