基本解釋[經(jīng)濟(jì)學(xué)]鍋爐煙管前板詞組短語(yǔ)短語(yǔ)boiler r front tube plate 鍋爐煙管前板the internal -front boiler tube plate 內(nèi)前管板boiler front tube plate更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)鍋爐煙管前板