刮板输送机安装刮板链时,连接环凸头应向(),竖环的焊口应向(),连接螺栓的头应向着(),刮板垂直(),刮板链不许有()现象。
参考答案:上、上、运行方向、槽帮 、拧麻花
下列结构中,属于膝关节囊内韧带的是 ( )
A.髌韧带
B.胫侧副韧带
C.腓侧副韧带
D.交叉韧带
E.髂股韧带
For a moment nothing happened, then all shouting together.
A.voices had come
B.did voices come
C.voices would come
D.came voices