词汇	次发过程
释义	次发过程 secondary process
随便看	piston-flow reactor piston fluid meter piston follower piston force piston, for combustion engines piston fountain-pen piston friction piston friction pairs piston gage piston gaslift equipment piston gauge piston gauge weight Piston gauge with equilibrium liquid piston gauge with re-entrant cylinder column piston gearing piston gland piston governor piston governor valve piston governor valve cage piston governor valve retaining spring piston governor valve strainer piston groove piston groove cleaner piston group piston guard ring