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齿轮油
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齿轮油
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润滑油
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gear oil
齿轮油
以石油润滑油基础油或合成润滑油为主,加入其他添加剂调制而成的润滑油。用于各种齿轮传动装置,以防止齿面磨损、擦伤、烧结等,延长传动装置的寿命,提高传递效率,减少功率损失。
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photometric bench
photometric binary
photometric calibration
photometric catalogue
photometric data system
photometric diameter
photometric distance
photometric double star
photometric element
photometric ellipticity
photometric error
photometric index
photometric instrument
photometric instruments
photometric measurement
photometric measurement method
photometric method
photometric night
photometric orbit
photometric paradox
photometric parallax
photometric period
photometric phase
photometric precision
photometric redshift
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更新时间:2026/7/26 17:12:23