玻璃镜是家庭常用的装饰材料。由于其生产工艺较简单,故市场上经常出现一些劣质产品,消费者可以从以下几方面鉴别。 （1）看镜面水平度。把镜子立在地上靠稳后,看看镜面有无竖流（如同下雨的雨线）和横流（如水波纹样）,有坚流或横流的则为次品。这种镜面照出的像,左右不对称,上下不协调。选购玻璃镜时,可对着镜子,旋转一周（按镜 Glass mirror is a family commonly used decorative materials. Because of its simple production process, so the market often appear some inferior products, consumers can identify the following aspects. (1) look at the level of mirror level. The mirror stand on the ground by the stable, look at the mirror whether the vertical (as the raining rain line) and the cross-flow (such as water ripples), there are strong or cross-flow is defective. This mirror according to the picture, asymmetric left and right, up and down uncoordinated. When buying glass mirror, you can mirror, rotate a week (mirror