为此必须研制某种检测方法在浮法玻璃带退火窑出口处至浮法线切割之间区域进行质量检测，对不符合质量标准的玻璃缺陷在线切割。

So we must find a kind of detect method to detect the quality of this glass between the exit of furnace and linear cut location then cut the glass which is short of the standard at the product line.

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浮法玻璃生产线玻璃带厚度在线检测技术采用了激光三角法位移测量原理，在退火窑热端进行玻璃带测厚的方案。

Adopt laser trigonometry displacement measure theory in the detection of glass thickness on line and the method in the hot side of annealing kiln.

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