Complex sentence: The water gate in the Chao Phraya River was named Chulalongkorn Water Gate (ประตูน้ำจุฬาลงกรณ์), and its corresponding gate in the Nakhon Nayok River was named Saovabha Bhongsi Water Gate (ประตูน้ำเสาวภาผ่องศรี).
Split into simpler sentences: The water gate in the Chao Phraya River was named Chulalongkorn Water Gate (ประตูน้ำจุฬาลงกรณ์). At the same time in the Nakhon Nayok River was named Saovabha Bhongsi Water Gate (ประตูน้ำเสาวภาผ่องศรี).