建たて屋や

noun

building for heavy machinery; machine house

Technical term used in industrial and engineering contexts for a structure that houses large equipment such as turbines, generators, or pumps.

• 発はつ電でん所しょの建たて屋やには大おおきなタービンが設せっ置ちされている。

  A large turbine is installed in the power plant's machine building.