登录
所属栏目：走近科学
所属频道：CCTV-10高清
年份：2019
展开全部
简介：随着城市高楼大厦的不断增加，电梯的速度也在不断提升。怎样保障电梯在运行时一旦出现故障，确保乘坐人员的安全。收起
《走近科学》 20190117 电梯安全卫士（下）
《走近科学》 20190116 电梯安全卫士（上）
复制成功！
PC客户端下载
移动客户端下载
![[em:1:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/1.gif)
![[em:3:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/3.gif)
![[em:4:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/4.gif)
![[em:5:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/5.gif)
![[em:6:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/6.gif)
![[em:7:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/7.gif)
![[em:8:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/8.gif)
![[em:9:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/9.gif)
![[em:10:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/10.gif)
![[em:11:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/11.gif)
![[em:12:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/12.gif)
![[em:13:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/13.gif)
![[em:14:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/14.gif)
![[em:15:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/15.gif)
![[em:16:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/16.gif)
![[em:17:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/17.gif)
![[em:18:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/18.gif)
![[em:19:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/19.gif)
![[em:20:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/20.gif)
![[em:21:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/21.gif)
![[em:22:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/22.gif)
![[em:23:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/23.gif)
![[em:24:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/24.gif)
![[em:25:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/25.gif)
![[em:26:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/26.gif)
![[em:27:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/27.gif)
![[em:28:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/28.gif)
![[em:29:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/29.gif)
![[em:30:]](http://p2.img.cctvpic.com/photoAlbum/templet/common/DEPA1406601454073701/30.gif)
