Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/8af8a1a365754a544a0f79aaa3929b8a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.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_零六五六深蓝词典
An extremely significant superplastic effect can be attained in cold-rolled condition without any special pre-treatment. 发现这种状态的合金，不需专门的预处理，就可呈现出很显著的超塑效应，其延伸率可达463％。