Warning: file_put_contents(/home/jnjnrjnnpjsn/wwwroot/data/cache/license_cache.php): failed to open stream: Permission denied in /home/jnjnrjnnpjsn/wwwroot/source/model/api.class.php on line 215
防锈剂A型
用于水基磁粉探伤防锈;
水溶性防锈剂;
对磁粉探伤无副作用;
对灵敏度无影响。