Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/ce8709508279fd5e720f5c7e5aace4e5.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 posttreatment例句_posttreatment英汉例句_posttreatment双解例句_沉淀汉英词典
In this paper,the effects of pretreatment and posttreatment on the colouring process and quality have been studied and discussed. 研究和讨论了前处理和后处理对不锈钢着色工艺和质量的影响，同时还测试了着色件的耐蚀性和耐磨性。