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填料密封
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packing box seal
填料密封
通过填料阻塞泄漏通路实现往复或旋转相对运动界面的密封。又称压紧填料密封。
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magnetic knot
magnetic lattice
magnetic layer
magneticlcellsorting
magnetic leakage
magnetic length
magnetic lens
magnetic levitation
magnetic levitation, maglev, magnetic suspension
magnetic levitation motor
magnetic levitation train
magnetic levitation vehicle
magnetic line
magnetic linear dichroism
magnetic line of force
magnetic linkage
magnetic liposome
magnetic liposomes
magnetic liquids
magnetic logic
magnetic loop
magnetic loss
magnetic Mach number
magnetic macroturbulence
magnetic marker
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