Two towboats attached to a naval submarine flotilla under the PLA Northern Theater Command are about to tow a submarine to bear off a port during a training exercise on May 6, 2023. (eng.chinamil.com.cn/Photo by Shi Jialong)
A submarine attached to a naval submarine flotilla under the PLA Northern Theater Command steams in the sea during a training exercise on May 6, 2023. (eng.chinamil.com.cn/Photo by Shi Jialong)
原文地址：http://en.people.cn/n3/2023/0521/c90000-20021575.html