保温水杯 In stockReconfirm the price with sellerContact supplierShipping:CourierIn detailAdd to selectedCompareSellerfeng shi guang de yi yi you gong siChina, Shanwei(View map) +86( Display phones Products of other enterprises草编手提包工艺品户外家俬礼品装饰品皮毛制品Description一般是由不锈钢加上真空层作成的盛水的容器,顶部有盖,密封严实,真空绝热层能使装在内部的水等液体延缓散热,以达到保温的目的。 保温杯是从保温瓶发展而来的,保温原理与保温瓶一样,只是人们为了方便把瓶做成杯。热力的传播有三种途径:辐射、对流和传递。保温杯内银色的杯胆能反射热水的辐射,杯胆和杯身的真空能阻断热力的传递,而不易传递热量的瓶子能阻止热对流。 Contact the seller保温水杯 Full namePhoneE-mailCaptcha (4 characters)I agree with privacy policies, regarding confidential data and user agreementMessage We recommend to see Handy craft and folk art items Shipping method