One question per day; those who answer correctly receive 5 wealth points, and those who participate receive 2 wealth points； Question 267
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Selection: Which of the products made from the following materials cannot be heat-repaired after damage? A、Polyvinyl chloride plastic sandals B、Bicycle inner tube C、Polyethylene plastic basin D、Bakelite socket D、Bakelite socket
The product made from the following material cannot be thermally repaired after damage (D). A. Polyvinyl chloride plastic sandals B. Bicycle inner tube C. Polyethylene plastic basin D. Bakelite socket