英语词汇“pebble heater”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pebble heater
释义	pebble heater pebble heater [′peb·əl ‚hēd·ər] (chemical engineering) Gas-heating device (for air, hydrogen, methane, and steam) in which heat is transferred to the gas via a countercurrent movement of preheated pebbles.
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