[单选题]氦的液化温度为零下( )℃。A.252.7B.161.6C.267D.183
[单选题]氦的液化温度为零下( )℃。A.252.7B.161.6C.267D.186
[单选题]甲烷的液化温度为零下( )℃。A.252、7B.161、6C.267D.183
[单选题]氢的液化温度为零下( )℃。A.252.7B.161.6C.267D.186
[多选题] 在标准大气压下,氧的液化温度为零下()℃、氮的液化温度为零下()℃、氩的液化温度为零下()℃。A .252.7B .161.6C .267D .183E .196F .186
[单选题]在标准大气压下,氧的液化温度为零下( )℃。A.267B.183C.196D.186
[单选题]在标准大气压下,氩的液化温度为零下( )℃A.267B.183C.196D.186
[单选题]在标准大气压下,氧的液化温度为零下( )℃。A.252.7B.183C.196D.186
[单选题]氮的液化温度为零下()0C(在标准大气压下)。A .183B .196C .78D .186
[单选题]氩的液化温度为零下()0C(在标准大气压下)。A .183B .196C .78D .186