研究了液体环氧、粉末环氧包封高压高阻电阻器后，电阻器主要电性能的变化。
The changes of electrical characteristics after being coated in liquid epoxy resin or powdered epoxy resin are investigated.
无菌工作服必须包盖全部头发、胡须及脚部，并能阻留人体脱落物。
The aseptic garments shall be able to cover completely hair, beard and feet and prevent body materials from being left.
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