coiled tubular heater螺: spiral shell; snail; conch管式: tubular加热器: calorifier; stove; heat boos ...管式加热器: cartridge heater; pipe heater; tube heater; tubeheater; tubular calandria; tubular heater翅管式加热器: strip tube heater下载手机词典可随时随地查词查翻译