另外一个重要特点是，它对试件栅栅线的反差要求不高，故可以用在氧化情况严重的金属高温热应变的测量中。
Another important feature of this method is that it can be used for the measurement of high temperature strains even at serious oxidation.
另外一个重要特点是，它对试件栅栅线的反差要求不高，故可以用在氧化情况严重的金属高温热应变的测量中。
Another important feature of this method is that it can be used for the measurement of high temperature strains even at serious oxidation.
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