Operate steam boilers at two pressure levels?
在两种不同压力水平操作蒸汽锅炉？
Steam boilers of 40 m height. An elevator near every boiler.
40米高的蒸汽锅炉，每个蒸汽锅炉旁边都有升降机。
The company has 3 steam boilers, 30 steam stainless steel ovens, 2 imported vegetable slicers, 8 multi-function vegetable slicers and 2 sterile clearing machines.
公司拥有蒸汽锅炉3台，蒸汽不锈钢烘箱30台套，进口切菜机2台，多功能切菜机8台，杀菌清洗机2套。
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