【机】 air infiltration
air; airspace; atmosphere
【化】 air
【医】 aer-; aero-; air; physo-
filter; infiltrate; infiltration; interpenetrate; interpenetration; penetrate
penetration; perk; permeate; pervade; pervasion; saturation; sink; soak; sop
【计】 bleed-through; percolation
【化】 effusion; infiltration; osmosis
【医】 diosmosis; osmo-; osmose; osmosis; permeation