Hekou的用法和样例：
例句
用作名词 (n.)
- The Hekou and Zhenxing sites are the two richest in ancient remains unearthed for the construction of the Lianhua Power Station.
河口与振兴是目前黑龙江省境内发掘的文化堆积较为丰富的两个遗址。 - The paper discusses the environment protection and relevant comprehensive management of Hekou oil production plant in detail.
详细论述了河口采油厂的环境保护以及相关的综合治理措施。
