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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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white porcelain made by Xing kiln
white porcelain plate decorated with Bogu pattern from the Ding Kiln
white porcelain pot with a dragon handle and rooster head
white porcelain vase with black peony patterns
white pottery
white pottery carved double ear jar with Taotie pattern
White Pottery of the Shang Dynasty
White Propaganda
white propaganda
white pulp
white-pupil echelle spectrometer
White Revolution
white rhinoceroses
white rot
whiteruss
white sardinella
white saxaul
white schist
White Sea
White Sea-Baltic Canal
white semiknife carp
white shark
White Sheep Dynasty
white-snaketongue-grass
White Snow in Early Spring
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更新时间:2025/6/12 12:09:24