多项选择题

电工类,章节练习,基础复习,国网电工类系统
电工类,章节练习,基础复习,国网电工类系统

A.见图A
B.见图B
C.见图C
D.见图D
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多项选择题
A.见图AB.见图BC.见图CD.见图D
A.见图A
B.见图B
C.见图C
D.见图D
单项选择题
The wellbore ( ) state flow pressure of gas well can be expressed by pseudopressure and pseudotime, pressure and time, adjusted pressure and time, pressure square and time.
A．steady
B．pseudosteady
C．unsteady
D．none of the above
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