... 不密封整流罩 unsealed cowling 氮气密封的 nitrogen-sealed 防尘密封的 sealed against dust seepage ...
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nitrogen-sealed transformer 氮气密封变压器
fully-insulated nitrogen-sealed transformer 全绝缘氮封变压器
sealed nitrogen laser 密封式氮激光器
Objective To study the occupational hazards characteristics in the process of big and small breathing loss on nitrogen sealed vault tank.
目的研究氮封拱顶化工储罐“大小呼吸”过程中的职业危害特征。
Reed SWITCH: Rhodium coated reed contacts in hermetically sealed, nitrogen filled glass capsule.
干簧：铑在密封的，氮气填充玻璃胶囊包覆芦苇接触。
The results showed that powdered red chillicolour should be sealed under nitrogen, stored in a cool and dark place.
结果表明，固体辣椒红色素宜于低温、避光、充氮下保存。
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