upkeep造句
Itisempty,itisupkeepprovingmuchtoocoarsely.Saltcorrosion,stormsandwavescanalltakeaheavytollonthegiantmachines,andupkeepmustbeconstant.Houseupkeep,suchaschangingfurnacefilters,cleaningoutthechimney,cle...
Itisempty,itisupkeepprovingmuchtoocoarsely.Saltcorrosion,stormsandwavescanalltakeaheavytollonthegiantmachines,andupkeepmustbeconstant.Houseupkeep,suchaschangingfurnacefilters,cleaningoutthechimney,cle...