off-channel reservoir的用法和樣例：
例句
- The deposition of sediment in channels decreases the channel capacity and the flood-carrying capacity.
泥沙淤積在河道內，減少了河槽容量和泄洪能力。 - It is likely that the construction of the reservoir project will change the whole south passage to a new type watercourse suitable for water and sediment passing.
而蓄淡水庫工程建設將有可能使南槽成為適應進(jìn)出水沙量的新型河槽。
