受行业传统的影响，水电站厂房屋面采用预制“I”形屋面梁及预制板结构已沿用多年。

The I-type beams and precast slabs have been used in the power stations for many years because of the influence of the vocation tradition.

youdao

受行业传统的影响，水电站厂房屋面采用预制“I”形屋面梁及预制板结构已沿用多年。

The I-type beams and precast slabs have been used in the power stations for many years because of the influence of the vocation tradition.

youdao