vertical shell boiler是什么意思，vertical shell boiler的翻译，vertical shell boiler音标、读音、用法和例句

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vertical shell boiler是什么意思，vertical shell boiler的翻译，vertical shell boiler音标、读音、用法和例句_按摩法牛津词典

vertical shell boiler

基本解释

专业释义

土木建築工程