A.
B.
C.
[单选题]A.130.38kPaB.0.767kPaC.7607kPaD.
[单选题]A.1:1B.1:4C.4:1D.1:16E.16:1
[单选题]A.9.40B.4.75C.4.60D.9.25
[单选题]A.1:1B.1:4C.4:1D.1:16E.16:1
[单选题]A.低压缩性B.中压缩性C.高压缩性D.无法判断
[单选题]A.低压缩性B.中压缩性C.高压缩性D.无法判断
[单选题]A.9.40B.4.75C.4.60D.9.25
[单选题]A.130.38kPaB.0.767kPaC.7607kPaD.