To compensate, they plan to install a submarine periscope at the top of the vertical steel ladder leading to the original access hatch.

作为补偿，他们打算在竖直的钢梯顶部安置一个潜水艇的潜望镜，这个钢梯是通往原先过道出口的。

youdao

A top hatch and a side door or two side doors provide access to and viewing of the engine.

一个顶面舱口盖和一个边门或二个边门提供引擎的通入和观察。

youdao

An intelligent, horizontal roof hatch, similar to car sunroof, provides unusually high quality access to the building's roof.

一种智能的屋顶出入口，类似于汽车的天窗，提供了非常高质量的通往屋顶的入口。

youdao

He opened the emergency hatch, vented the smoke, lowered the access ramp and helped extract the driver (who would later die of his wounds).

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