Warning: file_put_contents(/home/www/wwwroot/tjuzi.com/cache/cf72eac1b8020520b147b8da6d9e3877.txt): failed to open stream: No space left on device in /home/www/wwwroot/tjuzi.com/index.php on line 55 upset rivet例句_upset rivet英汉例句_upset rivet双解例句_橘子化妆朗文词典
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。