The installation of tube pedestal of large-capacity bulb tubular hydro-generating unit is always a difficult problem.

大容量灯泡贯流式水轮发电机组管型座安装一直是一个难题。

youdao

The installation of tube pedestal of large-capacity bulb tubular hydro-generating unit is always a difficult problem.

大容量灯泡贯流式水轮发电机组管型座安装一直是一个难题。

youdao