One example about the decrease in diameterofring joint gasket is reported. The reason of decrease in diameter is caused by compressive stress that make the whole gasket yielded.
报道一例八角垫直径缩减现象,指出直径缩减原因是垫圈整体受压屈服。
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By 2011 debris in the center of the ring, which is about a light-year in diameter, was blazing more intensely as the supernova entered a new stage of stellar demise.