Only adopt non contacting radiation temperature measurement method is determined due to the characteristic and certain instability factors of welded pipe manufacture.
而焊管生产的特点和某些不稳定因素，只能采用非接触的辐射测温方法。
Only adopt non contacting radiation temperature measurement method is determined due to the characteristic and certain instability factors of welded pipe manufacture.
而焊管生产的特点和某些不稳定因素，只能采用非接触的辐射测温方法。
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