A.長(zhǎng)對(duì)正 B.高平齊 C.寬相等 D.左右對(duì)齊
A.長(zhǎng)對(duì)正 B.高平齊 C.寬相等 D.上下對(duì)齊
A.垂直于 B.平行于 C.傾斜 D.任意方向投影于