1 "Gaseous oxygen is supplied from the high pressure cylinder." What kind of form is oxygen in the above sentence?
A.固态的
B.气态的
C.液态的
D.自然的
正确答案是B
1 "Gaseous oxygen is supplied from the high pressure cylinder." What kind of form is oxygen in the above sentence?
A.固态的
B.气态的
C.液态的
D.自然的
正确答案是B