词汇	wet-dry cycle
释义	wet-dry cycle 湿干研究模式
随便看	piston flow piston flowmeter piston flow procdss piston-flow process piston flow reactor 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