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permafrost drilling
永冻土钻孔
permafrost drilling
permafrost dynamics
permafrost horizon
permafrost hydrology
permafrost layer
permafrost phase-anal...
permafrost table
permafrostology
Permafy
permag
permagnag
permain
permalba
Permali
permaliner
permalink
permalloy
permalloy "Chinese le...
permalloy Chinese let...
permalloy strip
Permalon
permance
permanence
permanence condition
permanence of continents
permanency
permanent
permanent (glow) signal
permanent abode
permanent absorbing p...
permanent account
permanent address
permanent agreement
permanent albumin sta...
permanent alimony
permanent alliance
permanent alveoli
permanent alveolus
permanent annual charge
permanent anode
permanent appointment
permanent appropriation
permanent assets
permanent ataff
permanent audit file
permanent aurora
permanent authorizations
permanent axis
permanent backing
permanent bar
permanent base
permanent base-plate
permanent basis
permanent bath
permanent bed
permanent bench mark
permanent blocking
permanent body
permanent bracing
permanent building
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