发布时间:2025-01-23 20:28:11
1 打开血压计,开开开关
2准备被测量者的胳膊,脱掉一只袖子
3寻找肱动脉波动处,就是大约肘横纹处了,太松
4绑袖带,肘横纹上3厘米,注意不要太紧或太松,大约能容下两根手指
5听诊器至肱动脉波动处
6打气至听不到肱动脉波动在上升20mmHg
7慢慢放气,大约4mmHg/次,不要太快太慢
8听到第一声为收缩压,最后一声为舒张压
有一块锐角三角形木板现在要把它截成半圆形板块圆心在bc上问怎样截取才能使截出的半圆形面积最大
2025-01-23 20:28:11 2025-01-23 20:28:11余老师新手会计该怎么建账手上只有装修期间的一些收据营业执照还没下来
2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11 2025-01-23 20:28:11