单词	foam chamber
释义	foam chamber 泡沫室
随便看	spark erosion plant spark-erosion sinking spark-erosion sinking machine Spark Erosion Surface Quality Improvement spark erosion technique spark erosion wire cutting spark-erosion wire cutting sparkest sparket sparketh sparketting spark excitation spark excitation shock-type spark excitation spark-excited spectrum spark explosion method spark-explosion method spark explosion metnod spark extinction spark extinction ac commutator machine spark extinguisher sparkextinguishing spark extinguishing spark-extinguishing spark extinguishing circuit spark extinguishing contact piece