A.旋轉(zhuǎn)刮板式換熱器B.管式換熱器C.板式換熱器D.都可以
A.轉(zhuǎn)鼓閥無(wú)關(guān)B.進(jìn)罐閥無(wú)關(guān)C.出罐閥無(wú)關(guān)D.轉(zhuǎn)罐閥無(wú)關(guān)
A.水柱維持B.轉(zhuǎn)鼓閥維持C.進(jìn)出罐閥維持D.轉(zhuǎn)罐閥維持