用“purifying”造句大全，purifying造句
Heating,cooling,humidifying,dehumidifying,purifying.Air-purifyingrespiratorshavetwoadvantages.SlayalargeOniwithoutpurifyinganybodyparts.Waterhyacinthhasstrongtolerancetopollutionandpurifyingcapacity;T...
用“purifying machine”造句大全，purifying machine造句
Waterpurifyingmachineiscomposedofflowmeter,quartssandfilter,positiveionexchangingpost,negativeionexchangingpost.Comprisedof45silverplatesresemblingpartiallyopenwindowblinds,thetowercontainsanair-purif...