起重机械是用来垂直升降重物作短距离的水平位移，完成对重物的装卸、转运、安装等作业的机械。
参考答案：对
—Would he like _____ on an outing?
— I'm not sure. Maybe he _____.[ ]
A. to go, would like
B. going, would like to
C. going, would like
D. to go, would like to
鼻尖鼻小柱缺损修复不宜采用以下哪种方法（）
A.全厚皮片移植
B.鼻小柱基部伸展皮瓣移植
C.鼻旁皮瓣移植
D.耳垂缘复合组织移植
E.上臂皮管移植
