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sealed centrifuge
密封式离心机
sealed centrifuge
sealed chamber
sealed chart-drive motor
sealed circuit
sealed coil relay
sealed compartment
sealed construction
sealed contacts
sealed container
sealed contract
sealed cooling
sealed cover
sealed cowling
sealed drum gimbal as...
sealed dust-proof van
sealed end
sealed envelope
sealed environment
sealed factor of trap
sealed fluid coupling
sealed germanium diode
sealed head
sealed hydraulic coup...
sealed instrument
sealed jet
sealed joint
sealed junction
sealed knob
sealed lead acid battery
sealed letter
sealed light valve
sealed lithiam battery
sealed meter
sealed mica ring
sealed move
sealed nitrogen laser
sealed off vacuum system
sealed order
sealed orders
sealed outer housing
sealed pack-age
sealed package
sealed pad
sealed photodiode
sealed plug
sealed plug sheathed ...
sealed pore
sealed porosity
sealed pressure balance
sealed proposals
sealed pump
sealed pumped vacuum ...
sealed pumpless vacuu...
sealed quench furnace
sealed rectifier
sealed refrigeration ...
sealed relay
sealed roller bearing
sealed sample
sealed silica envelope
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