The Bosporus provides sole access for ships to Georgia's Black Sea ports.博斯普鲁斯海峡也是船只抵达格鲁吉亚黑海各港口的唯一入口....the wash from large ships.大船激起的浪花Were men for the Navy recruited from men on merchant ships?海军的人员是从商船的人员中征募的 吗 ...
It can adopt saw cutting or epicyclic cutting type.它可以通过看到切割或行星切割型.This paper analysed the cold die forging technology of automotive epicyclic gears.分析了汽车行星齿轮的冷模锻工艺....