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When we pour water on the train, we may burned by water cause the train is always shaking that we can not stand stable.In order to prevent the cup shaking and burned, we put water cup between the receiving tank and the part of water outlet,and you only need to put the cup in the right angle,part of the effluent will press and hold the water cup.This cup will not shake any more.
Huazhong university of science and technology
Wuhan,Hubei Province, China