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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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La Esmeralda
Laetitia
Laetoli hominin footprints
laevo isomer
laevoisomer
laevo isomer; levo isomer
laevorotation
laevorotatory
La Faille
Lafashan Guojia Senlin Gongyuan
La FEMIS
La Ferrassie human remains
LAFF
Lafforgue
Lafforgue,Laurent
La Fontaine
Lafora disease
LAFTA
lag
Lagaan: Once Upon a Time in India
Lagalla crater
lag control
lag correlation
lag correlation coefficient
lag covariance
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