例句與造句

1. mfz series portable pressurs are high efficiency ones which use general dry powder as fire extinguishing chemical and the loaded compressed nitrogen gas as spray force
   mfz系列干粉滅火器是以普通干粉為滅火劑，以充裝壓縮氮?dú)鉃閯恿Φ母咝缁鹌鳌?/li>
2. It's difficult to find compressed nitrogen in a sentence. 用compressed nitrogen造句挺難的