air jacket

1. Heating elements in all three walls, bottom, and door create a warm air jacket around the inner chamber to guarantee superior temperature uniformity with no hot spots.
   通用培养箱采用三面内壁、箱底、门构造的暖气气套系统确保箱体内部温度均匀。
2. Therefore, the tow feeding system was modified: enlarging air chamber in air jacket of the jet;
   为此，对其供丝系统进行了技术改进：增大了喷嘴内外套间的气腔；
3. Air blow installation to eliminate defect which causing from stripped jacket. air uncurler for knit fabric
   吹气装置可清除剥皮后所遗留之线屑。针织物喷气式剥边装置

noun

1. an inflatable life jacket

   Synonym:    Mae West