容积式换热器displacement: n. 1.转位,移动;取代,置换;(人的)流离失所。 2 ...heat exchanger: 热交换器。 heat exchanger; exchanger: 热交换器exchanger, heat: 热交换器heat accumulated type heat exchanger: 蓄热式换热器下载手机词典可随时随地查词查翻译