【化】 aircraft lube oil
aviation; voyage
【经】 navigation
whiff
【医】 whiff
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine
lube; lubricant; lubricating oil; unguent
【化】 lube; lube oil; luboil; lubricating oil
【医】 lubricating oil
【经】 lub oil; lubricants; lubricating oil