18.6.1.2.2 Heating is provided by propane, from an industrial cylinder fitted with a pressure regulator, via a flow meter and distributed by a manifold to the four burners.
18.6.1.2.2 加热用丙烷，丙烷从一个装有压力调节器的工业气瓶通过流量计和一根管道分配到四个燃烧器。