Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/97a5be7f6913dd949e38989c4196b6fd.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 upset rivet是什么意思，upset rivet的翻译，upset rivet音标、读音、用法和例句_流逝汉英词典
When an aluminum rivet is upset against a softer material, a washer must be used under the upset head to prevent eruption of the softer material. 当一个铝铆钉的镦头形成在较软的材料一边时，必需在铆钉镦头下使用垫片以防止较软材料胀裂。