Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/447030f31ecd3ede3814c53c054a57b3.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 abradant material例句_abradant material英汉例句_abradant material双解例句_绍翊字体网有道词典
It also introduces the characteristic of abradant efflux cutting, the construction of cutting equipment and material supply system. 同时介绍了磨料射流切割特点，切割设备的组成、供料系统。