丁坝
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(丁(dīng )坝(bà ),丁(dīng )坝(bà ))
一(yī )种(zhǒng )治(zhì )导(dǎo )河(hé )流(liú )、保(bǎo )护(hù )堤(dī )岸(àn )的(de )水(shuǐ )工(gōng )建(jiàn )筑(zhù )物(wù )。一(yī )端(duān )与(yǔ )堤(dī )岸(àn )连(lián )接(jiē )成(chéng )丁(dīng )字(zì )形(xíng ),能(néng )改(gǎi )变(biàn )水(shuǐ )流(liú ),使(shǐ )堤(dī )岸(àn )不(bú )受(shòu )冲(chōng )刷(shuā ),丁(dīng )坝(bà )可(kě )使(shǐ )泥(ní )沙(shā )在(zài )坝(bà )田(tián )裡(lǐ )淤(yū )积(jī ),以(yǐ )造(zào )成(chéng )新(xīn )岸(àn )。
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