结合氮

fork, combined with grippers for harvesting

combined roll-on/roll-off,lift-on/lift-off containership【船】

umbrella STICK(S) or walking STICK(S) combined with other objects

formula method of periods by area and volume combined

fuel-injection apparatus combined with intake valve for combustion engines

combined shot-blast shakeout cleaning chamber

combined method of thinning

bleaching combined with cleaning or washing