simple pa tubular heatersimple pass tubular heatersingle-pa tubular heatersingle-pass tubular heater單程: one way; one path管式: tubular加熱器: calorifier; stove; heat boos ...多程管式加熱器: multipa tubular heater; multipass tubular heater管式加熱器: cartridge heater; pipe heater; tube heater; tubeheater; tubular calandria; tubular heater下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯