cooling machine短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 冷冻机 The rationale of hot siphon ammonia- oil cooling machine and its operational aspects on a construction site are introduced in this paper. 本文对热虹吸氨-油冷却器运行原理以及在某工地的运行情况进行了介绍，提出了几点技术措施。 dictall We changed the cooling machine of water for injection to double- end plate layer pipe heat changing machine. 注射用水的冷却器采用双管端板壳管式换热器。 cnki