里海没有几十万吨级的但有万吨级的,因没那么大的运量需求而非深度不允许。里海的平均水深209米,波斯湾平均深度只有50米。
本帖于 2026-05-01 16:31:58 时间, 由普通用户 天青水蓝 编辑
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