为防止张力系统活塞杆表面的锈蚀,应在活塞杆表面涂DP7保护油。
参考答案:对
联合性眼球运动障碍,无复视是什么性质的眼肌麻痹()
A.核间性眼肌麻痹
B.核性眼肌麻痹
C.核下性眼肌麻痹
D.外周性眼肌麻痹
E.核上性眼肌麻痹
WindowListener中可以实现窗口关闭功能的方法是【 】
A.public void windowOpened(WindowEvent e)
B.public void windowClosed(WindowEvent e)
C.public void windowClosing(WindowEvent e)
D.public void windowDeactivated(WindowEvent e)