青云翻译

The sample into a small mold, place the dark for more than 12 hours

Place the test sample in a small die placed in the dark for more than 12 hours

Will treat will measure the sample will load in the small mold to lay aside above the black hidden place for 12 hours

Samples will be measured in the mold into the small dark place more than 12 hours

Place the test sample in a small die placed in the dark for more than 12 hours