电梯门平时锁紧,但是当电梯到达这一层则打开,这种是需要什么装置来达到要求的? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of thesePapoose, Steam shovel, Choir, Chili, Llama, Mush, Zoo, Condo, Key, Pillbox, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #5212 Katy Perry by Shahid Khokhar


anonymous
anonymous
sketch #4031


Donara Smbatyan
sketch #1504 donara


Ariel Fernando
sketch #1061 garota ao vento


anonymous
anonymous
sketch #4520


anonymous
anonymous
sketch #5269


anonymous
anonymous
sketch #2862 Grumpy Cat


Nassim Nouri
sketch #2765 Kratos by Nassim Nouri


anonymous
anonymous
sketch #5226


anonymous
anonymous
sketch #4351


anonymous
anonymous
sketch #4093 freefree


anonymous
anonymous
sketch #4682 Elvis Presley by Nassim Nouri


anonymous
anonymous
sketch #2351


anonymous
anonymous
sketch #2278 flower


Helyryn
sketch #293 jdjdjdjdj


anonymous
anonymous
sketch #3076 Angel by Burak Turan


anonymous
anonymous
sketch #5094 Squirrel by Mehdi Público


anonymous
anonymous
sketch #4055


anonymous
anonymous
sketch #3631


anonymous
anonymous
sketch #3362 The Boss by David Torre


anonymous
anonymous
sketch #3448 Treba mi bolji "mish " ;)


anonymous
anonymous
sketch #4915 Marshall Lee Gopal Gopi


anonymous
anonymous
sketch #4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik


anonymous
anonymous
sketch #1500


Rachel Roe
sketch #2645 Flowers in window


anonymous
anonymous
sketch #3232


anonymous
anonymous
sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic


anonymous
anonymous
sketch #5113 Growlithe and Arcanine by Kervinzitho del Piero


anonymous
anonymous
sketch #1253

tomski电梯门平时锁紧,但是当电梯到达这一层则打开,这种是需要什么装置来达到要求的? 知乎 coloring