Butterfly: A Life | National Geographic
2:02
YouTubeNational Geographic
Butterfly: A Life | National Geographic
Great Migrations: Rhythm of Life: http://channel.nationalgeographic.com/series/great-migrations-episode-guide/4993/Overview Check out the lifecycle of a monarch butterfly - from pupa to adult. Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and ...
已浏览 511.8万 次2010年10月15日
Butterfly Valve Installation
Spears® Butterfly Valve Installation
7:10
Spears® Butterfly Valve Installation
YouTubeSpearsMFG
已浏览 9.4万 次2012年7月6日
How to install a wafer type body butterfly valve between flanges
5:17
How to install a wafer type body butterfly valve between flanges
YouTubeInterApp Group
已浏览 4.1万 次2023年5月4日
How to Install CI Butterfly Valves
5:56
How to Install CI Butterfly Valves
YouTubeWaterworks
已浏览 3898 次2023年1月25日
热门视频
Life cycle of a butterfly 4k HD || From eggs to full grown butterflies || Hugs of life ||
4:25
Life cycle of a butterfly 4k HD || From eggs to full grown butterflies || Hugs of life ||
YouTubeHugs of life
已浏览 224.7万 次2021年10月14日
Butterfly - Official Trailer | Prime Video
2:41
Butterfly - Official Trailer | Prime Video
YouTubePrime Video
已浏览 1376.6万 次5 个月之前
Butterflies for Kids | Learn about the diet, habitat, and behaviors of butterflies
9:28
Butterflies for Kids | Learn about the diet, habitat, and behaviors of butterflies
YouTubeLearn Bright
已浏览 69.2万 次2023年11月9日
Butterfly Valve Types
Butterfly Valve -Types & Applications| uses of butterfly valves | Piping engineers valves
13:11
Butterfly Valve -Types & Applications| uses of butterfly valves | Piping engineers valves
YouTubePiping Engineers
已浏览 1万 次2020年5月7日
How Butterfly Valve works? Types of Valve | Explain with Actuator and Limit Switch Electrical and Au
6:53
How Butterfly Valve works? Types of Valve | Explain with Actuator and Limit Switch Electrical and Au
YouTubeElectrical And automation
已浏览 7895 次2021年5月2日
How Butterfly Valve works - Fluid mechanics | Animation | Principal
0:27
How Butterfly Valve works - Fluid mechanics | Animation | Principal
YouTubeChem media
已浏览 6541 次2022年4月16日