gōng / chéng / shī / gēn / jù / xiǎn / hán / jì / suàn / shè / bèi / xū / yào / tí / gōng / de / lěng / liàng工程师根据显焓计算设备需要提供的冷量。The engineers calculate the cooling capacity the equipment needs to provide based on sensible enthalpy.