闭合循环致冷closed: adj. 1.关闭着的,封闭着的;密闭着的;保密的。 2 ...circuit: n. 1.(某一范围的)周边一圈;巡回,周游;巡回路线[ ...refrigeration: n. 消热,清凉;冷却(法);冷藏(法),冰冻,致冷;致 ...closed circuit refrigeration: 闭合循环致冷closed brine refrigeration system: 封闭式盐水制冷系统下载手机词典可随时随地查词查翻译