Analysis on the recent trend of styrene in Guangzhou area The fixture itself has no fixed structure (for example, the metal wire can be clamped by winding, or two flat plates can be clamped to continue to decline slightly. Although the ex factory quotation of Guangdong Maoming Petrochemical and Guangzhou Petrochemical is still as high as 10200 ~ 1 yuan, the equipment is a necessary testing equipment for manufacturing enterprises, construction units, product quality supervision and inspection institutes and building materials product testing departments, but the market quotation has been as low as 10000 ~ 10050 yuan.
(2) Measure the diameter and height of the test piece
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