My cousins and I arrived at the second barbette very soon.
我们很快就爬到了第二个炮台。
The stability, precision and high response speed are the key factors of a barbette system.
航空炮塔的稳定性、准确性和快速性是其发挥作用的关键。
Known as Coconut city, Haikou is the capital city of Hainan and it contains interesting historic sites like the Five Officials Temple, Xiuying Fort Barbette and Hairui Tomb.