冰区航行拖船“涅瓦河前哨”是在圣彼得堡设计和建造的。

Ice-class tugboat "Nevskaya Zastava" ("Neva Outpost") was designed and constructed in St. Petersburg.

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其他问题包括，航行基础设施不完善，游船码头就那么几个，工作人员经验不足，还有些码头处在工业区中间地带。

Poor sailing infrastructure is also a problem, with relatively few experienced staff at a small number of marinas, some of which are located in the middle of industrial areas.

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这使飞行员得紧密关注天气并且在多风区航行。

It means keeping a close eye on the weather and navigating around windy areas.

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