Hei River的用法和樣例：
例句
- Egina Oasis in the low reaches of Heihe River is extremely arid, Heihe River is the only source of water.
黑河下游的額濟納綠洲極度乾旱，黑河是其唯一的水源。 - The Heihe River project's excavation volume is huge from the original wing wall design for the right-hank spillway tunnel, which increased investment.
摘要黑河水利樞紐在設計與施工過(guò)程中基礎開(kāi)挖量較大，增加了工程投資。
