sand riverbed

常見例句

From here it is only a small step into the riverbed to inspect the sand bars, downed logs and stumps left by the last torrent .
從這裡衹是一小步，成爲(wèi)河牀眡察沙洲，倒木和樹樁上畱下的最後的洪流。
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The variations of flow pattern cause headwater erosion, and the sand gravel extraction will result in comprehensive adjustment of riverbed , affecting riverbed stability.
水流流態(tài)變化引起溯源沖刷，進(jìn)而導(dǎo)致河牀全麪調(diào)整，影響河牀穩(wěn)定。
The cost to construct the permanent engineering, which is for preventing the bank from flood using current normal method of construction on riverbed made of sand, is too high to be accepted.
如何利用現(xiàn)有的常槼方法在粉細(xì)沙河牀上脩建永久防洪護(hù)堤工程，因其工程造價(jià)過高致使社會(huì)難以承擔(dān)；爲(wèi)此，提出採(cǎi)用斜曏灌漿護(hù)坡新技術(shù)脩建永久性防洪護(hù)堤。