Extinguishers

例句:

• Strong solutions were also made of sulphate of soda, hyposulphite of soda, borax (biborate of soda), and bicarbonate of soda and tried as fire extinguishers. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The Roman, Pliny, refers to fire extinguishers but gives no account of their construction. 佚名. 神奇的知识之书.
• There are 1,421 three-gallon chemical extinguishers and fifty-eight 40-gallon chemical tanks, mounted on wheels. 佚名. 神奇的知识之书.
• All the extinguishers of this type use a liquid which has carbon tetrachloride as a base. 佚名. 神奇的知识之书.
• There are two classes of chemical fire extinguishers: the soda and acid tank or three-gallon type, and the one-quart pump type. 佚名. 神奇的知识之书.

富兰克林校对