城市和世界

But first they must outwit the forces of evil they encounter on their journey through time and space.

但是，他们首先需要智胜他们在时光和空间的旅途中所遇到的邪恶力量。

Structures and characteristics of several types water-heating vaporizers are detailed analysed. The materials using in sea water-heating vaporizer are investigated and the primary thermal design of spiral wound heat exchanger as LNG vaporizer is finished.

详细分析了各种水加热型汽化器的结构和特性，对海水加热型LNG汽化器的材料进行了研究，并对设计条件下采用缠绕管式换热器作为汽化器进行了初步计算。