滑移法竖立桅杆和拆除桅杆作业要点是:控制好桅杆底部,不得有横向摆动或过大的水平推力,以确保安全平稳的竖立或拆除桅杆。
参考答案:对
将下列字母重新排列组成单词,完成句子.。
1. —How do you _____ (l,p,l,s,e)it?
—B -O-O-K.
2. It is my _____ (a,t,c,h,w).
3. Please _____ (a,1,l,c)me at 370 -2536.
4. Is that your _____ (e,u,r,l,r)?
5. His baseball is in the _____ (o,s,f,l)and founf case.
正常脉象的特点是什么?