电铲铲具的定检保修范围应包括哪些内容？
参考答案：
1.更换大小花帽螺丝。
2.处理铲杆裂纹，更换磨损到限的牙条。
3.更换各部钢套，紧固铲具连接螺丝。
“浮小而有头粒者”称为（）。
A．痔
B．疹
C．疣
D．疳
E．痰
which of the following is NOT owned or jointly owned by this company().
A.A contemporary art gallery.
B.A publishing group.
C.A film production company.
D.A department store.
