Warning: file_put_contents(): Only 0 of 6218 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 pipe rust remover例句_pipe rust remover英汉例句_pipe rust remover双解例句_魏碑心思朗文词典
Scales on steel pipe surface can be removed by the rust-remover formulated with waste chlorhydric acid pickling solution in closed-loop circulation. 利用盐酸酸洗度液配制的闭路循环除锈剂能清除钢管表面氧化铁皮。