| ประโยคภาษาจีน : 中文句子 | 
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|  dāng当  yù zǔ遇阻  yā lì压力  huò或  zuò坐  fēng封  yā lì压力  xíng chéng形成  de的  xiàng wài向外  zhāng lì张力  dà yú大于  tán xìng弹性  zhuǎ爪  zhāng lì张力  shí时  tán xìng弹性  zhuǎ爪  xiàng wài向外  zhāng kāi张开  xīn zhóu心轴  xià xíng下行  yā suō压缩  jiāo胶  tǒng筒  zuò坐  fēng封 | 
| When the tension formed by the setting pressure is greater than the tension of the elastic claws, the elastic claws open outwards, the mandrel goes down and the compression packing element is set. |