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piston seals
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piston seals
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往复密封
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piston seals
活塞密封
活塞与缸体之间的密封。活塞密封的密封槽开在活塞上,属于孔用密封圈。又称活塞环密封。
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companionate love
companion canonical form
companion cell
companion galaxy
companion knot
companion matrix
companion operator
companion pollen
companion star
company commander
company + farmer
company + intermediary organization+ farmer
company law
Company Law of the People's Republic of China
Company of New France
Company of the American Islands
company's assets
company's capacity
company's name
company's organization
company town
comparability
comparability graph
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comparability theorem
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