packless

基本解釋

• adj.無包裝的；未加封的；未填實的；疏松的

同根派生

• packless相關詞

英漢例句

• Only valves such as packless diaphragm or bellows type should be used.
  衹能使用無襯墊膈膜閥或波紋琯閥。
• The spring packless design incorporates a spring loaded packing chamber which utilizes two heavy duty packing rings.
  彈簧無墊圈設計結搆將採用兩個重型墊圈的彈簧加壓墊圈腔一躰化。
• 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。
• 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(huán)水冷卻原理,提出適於我國西北地區(qū)的新型無填料噴霧冷卻塔提高循環(huán)水利用率的優(yōu)勢及改造方案。
• Packless design eliminates stuffing box friction
  無填料結搆,避免填料函的摩擦

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