operating floor是什么意思

用法例句

The turbine base frame operating layer of a 600 MW coal-fired unit is a complicated reinforced concrete structure,marked by dense steel bars and strictly required construction accuracy of various embedded parts,directly-buried bolts and embedded pipes.

600MW燃煤机组汽轮机基座运转层是一个复杂的钢筋混凝土结构,钢筋密集,各专业预埋件、直埋螺栓、预埋管的施工精确度要求非常高。