詞語：packless
packless的解釋
packlessadj. 無填料的；無填充的
packless的意思
packless 不用填料的;無填料的;無包裝的;無密封的，無填料的，未填實的，疏鬆的;packless valve 無填料閥;無迫緊閥;無封套閥;packless joint 無填料接合;packless seal 無填料密封;無包紮密封;packless matrix 不墊背紙型;
packless的參考例句
1.Series 65 spring packless radiator supply valves are used on all heating and cooling equipment where manual control is desired. 系列65彈簧無墊圈散熱器供水閥適用於需要人工控制的所有加熱或冷卻設備上。
2.Advantages for improving use ratio of circulating water of modern packless spray cooling tower be suitable for northwest area and its transforms were put forward. 介紹了循環水冷卻原理，提出適於我國西北地區的新型無填料噴霧冷卻塔提高循環水利用率的優勢及改造方案。