营口、烟台、东营等港口各具特色，优势互补。
Ports of Yingkou, Yantai and Dongying have their own characteristics and complementary advantages.
关于为船舶提供压舱水、垃圾处理等港口服务的管理问题。
On the issue concerning the administration of provision of ballasting water, garbage disposal and other port services for vessels.
在港口，学生可以进行家庭寄宿、露营旅行、博物馆参观、文化活动、徒步旅行等活动。
In port, students can do homestays, camping trips, museum tours, cultural events, hiking, etc.
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