nitrogen-sealed transformer 氮气密封变压器
fully-insulated nitrogen-sealed transformer 全绝缘氮封变压器
nitrogen-sealed 氮气密封的 ; 充氮密封式
sealed nitrogen laser 密封式氮激光器
nitrogen sealed tra former 氮封变压器
nitrogen-sealed tra former 氮气密封变压器
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。
Using nitrogen sealed water tanks to solve the problems of electronics industry require a higher water use, water storage easy to pollution ;
采用了氮封水箱解决了电子工业用水要求较高，水的储存及容易被污染问题；
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。
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