证券市场“公平原则”是指市场的所有参与者都拥有( )的法律地位。
A.完全
B.相应
C.平等
D.对称
参考答案:C
When a feature remains in its existing charted position but has a change of characteristic,()command is used on a chart.
A.MOVE
B.DELETE
C.AMEND
D.SUBSTITUTE
泵的拆卸要抓住哪四大重要环节?