海词手机词典

On the heavy silt-laden rivers, desilting at the water intake of hydropower station is a problem widely concerned not only for the large reservoir with high dam and high water head, but also for the runoff river hydropower station with lower water head.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌