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The surface roughness was measured by TR240 mobile surface roughness meter.
处理后采用TR240便携式表面粗糙度仪测定表面粗糙度。
youdao
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A method and ultrasonic meter system for determining pipe roughness.
用于确定管道粗糙度的方法和超声仪系统。
youdao
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A method and ultrasonic meter system for determining pipe roughness.
用于确定管道粗糙度的方法和超声仪系统。
youdao