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浮环密封
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浮环密封
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旋转密封
释
floating-ring seal
浮环密封
靠浮动金属圆环与轴或壳体间的极小间隙限制流体泄漏的非接触式动密封。
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Bria
Brian Campbell Vickery
Brian Castro
Brian Chikwava
Brianchon
Brianchon crater
Brianchon hexagon
Brianchon point
Brianchon theorem
Brian David Josephson
Brian De Palma
Briand-Kellogg Pact
Brian Edward Launder
Brian Friel
Brian Griffin
Brian John Hoskins
Brian Paul Schmidt
Brian Williams
bribe payers index
bribery
bribery and theft involved
bribery crime of non-official servant
bribes on teachers
BRIC
B. Richter
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