汽包蒸汽出口调节阀应选气关式。
参考答案:对
What kind of scene might be shown in a typical regionalist painting
A.People working in a large factory.
B.People walking on crowded city streets.
C.An everyday activity in a small town.
D.A well-known historical event.
关于自由、平等、所有权说法错误的是()
A、等价交换的前提是自由(所有者的平等)
B、伦理关系的客观性表现在交换是平等人格之间的互利
C、物权是所有权的核心(所有权是物权的核心)
D、所有权由所有制决定,所有权是所有制的法律形态