1. The party was a bit of a damp squib. 
   这次聚会有些扫兴.
2. The joke which I thought would make her laugh, proved a damp squib. 
   我本以为这笑话能博得她一笑，结果却毫无反应。
3. powder metallurgy alloy steels 
   粉末冶金合金钢
4. powder metallurgy antifriction material 
   粉末冶金减摩材料
5. powder metallurgy friction material 
   粉末冶金摩擦材料

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