blocking of concrete dam 坝体分缝分块
The invention is characterized by rational structure, sectional manufacturing of blocking dam, integrated assembling, convenient inspection or exchanging, and long service life.
本发明构造合理,拦截 坝分段制作,整体拼装,方便检修或更换,使用寿命长。
Blocking a river with a dam also blocks the movement of fish upstream to spawn and the movement of silt downstream to fertilise fields.
用大坝阻断河流使得鱼类无法逆流而上去产卵,同时淤泥无法顺流而下去肥沃土地。
Blocking a river with a dam blocks the movement both of fish upstream to spawn and of silt downstream to fertilise fields.
建堤坝来阻断河流,既阻挡了回流产卵的鱼,又阻碍了下游淤泥肥沃土壤。
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