The utility model is characterized in that a single micro glass bead layer is coated on the peripheral edges of the front side and the back side of the traffic safety satchel.
其特征是在书包正面和背面四周边沿上涂覆单层的微型玻璃珠层。
The image, which measures 200x290 micro-meters, features a Christmas tree, and is etched on a tiny piece of glass.
贺卡上圣诞树的图案是在一小块玻璃上蚀刻而成的。
This micro-UV device floats and is small enough to use in a glass.
该微紫外装置能够漂浮而且小到可以在玻璃杯中使用。
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