关于hydrant的百科

• fire hydrant造句怎么写

• "Seethatfirehydrant?"heasks.Nofeedingpumpisforeseenforexternalfirehydrantsystem.Firesystem:Thebuildingisinfiredangerratingclasslevel,designelements,includingfirehydrantsystem,automaticsprinklersystem.Theengineandhorsesaredisplayedonastreetwithstree...
• 2018-07-0829284