The test pieces and instrument for side- testing method to measure the depth of destructive layer of fine- ground glass surface are mainly introduced.
本文主要介绍用侧面观测法测量精磨玻璃表面破坏层深度的试件制做、测试仪器；
The test pieces and instrument for side- testing method to measure the depth of destructive layer of fine- ground glass surface are mainly introduced.
本文主要介绍用侧面观测法测量精磨玻璃表面破坏层深度的试件制做、测试仪器；
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