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gear oil
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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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ethyl methanesulfonate induced mutation
ethylmethyl ketone
ethyl orthophos
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ethyl-parathion
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ethyl xanthate
ethynyl radical
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Etienne Chevalier with his patron saint St. Stephen
Etienne-Louis Boullée
Etinne Lamotte
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etiquette for fishery affairs
Etiquette for Meeting Emperor In New and Full Moon Day
Etiquette for Meeting the Emperor Daily
Etiquette for Meeting the Emperor In the Inner Palace
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