un-sealed degree of protected space 防护区不密封度
sealed-off vacuum degree 封结真空度
sealed degree
密封的程度
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Actuator design with fully sealed waterproof high degree of protection.
执行机构采用全密封防水设计防护等级高。
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Reliability of the sealed vacuum tube is very important, and the main factor that affects reliability is its vacuum degree.
密封真空管的可靠性尤其重要，影响其可靠性的主要因素是真空度。
He realized that if the building were sealed and the foul exhaust pumped into a 3, 600-degree cement furnace, the odor disappeared.
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