Assertion: pvc's use | /r/HasProperty | treated
Facets:
Source sentences:
text: Since the reform and opening-up, the basic activities such as the coal electricity of China, metallurgy, inorganic chemical industry have obtained tremendous development, when making major contribution for national economy, a large amount of large using industrial solid wastes have also been produced, such as flyash, desulfurated plaster, phosphogypsum, metallurgical slag, discarded calcium carbonate stone powder etc., these large using industrial solid wastes are anxious to be treated to seek outlet by technical progress.