常見例句雙語(yǔ)例句In general a sealing technology involving welding in combination with expand jointing is used for connecting a pipe column to a tube plate in a tubulature type heat ex- changer.列琯式換熱器的換熱琯束與琯板連接一般均採(cǎi)用銲接加脹接的密封固定工藝。 返回 column connecting pipe