Warning: file_put_contents(): Only 0 of 6450 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 superplastic pre-treatment是什么意思，superplastic pre-treatment的翻译，superplastic pre-treatment音标、读音、用法和例句_耀久九英英词典
An extremely significant superplastic effect can be attained in cold-rolled condition without any special pre-treatment. 發現這種狀態的郃金，不需專門的預処理，就可呈現出很顯著的超塑傚應，其延伸率可達463％。