The factors of the surface color change for bright copper rod are analyzed. Based on this, the measurement and the method on improving the quality of bright copper rod are put forward.
分析了影响光亮铜杆表面变色的各种因素，提出了提高光亮铜杆质量的措施和方法。
Microscopic plants less than half a centimeter across may be able to change the paths of 300-mile-wide tropical storms, due to their ability to change the color of the surface of the sea.
直径小于半厘米的浮游植物有能力改变300米宽的热带风暴，因为它们能够改变海水表面的颜色。
Note that the color of brick_mat is defined after its texture to change the color of the texture before it's applied to the surface.
注意，brick_mat的颜色是在纹理之后定义的，以便在应用到平面之前改变纹理的颜色。
On yellow tracing paper the color will appear lighter and more washed out and will change depending on the color of the surface.
描图纸上必问网的色彩会呈现更轻，更冲出来，将转变取决于表面的色彩。
DPSZ type hot nozzle, suitable for all kinds of product, it shows point shape when entering the gate, there is a circle on the surface of the product, easy to change the color.
点浇口热嘴，适用于各种塑料，进浇点呈点状，产品表面有一个圆，换色性能佳。
DPSZ type hot nozzle, suitable for all kinds of product, it shows point shape when entering the gate, there is a circle on the surface of the product, easy to change the color.
点浇口热嘴，适用于各种塑料，进浇点呈点状，产品表面有一个圆，换色性能佳。
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