air jacket
美 [er ˈdʒækɪt]英 [eə(r) ˈdʒækɪt]
- 空气夹套;充气救生衣
air jacket-
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。
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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；