国产在线97色永久免费视频|亚洲日韩精品无码专区91|日日摸夜夜添狠狠添欧美|精品国产99国产精品

1. One-piece modeld cleaner with wear-resisttant PU scraper will be more wear-resistant, shock-resistant and hermetical that other design.  

2. With the spring adjusting design, the whole blade can avoid the damages under the high pressure and easily installed and adjusted. 

3. Applicable to power plants, mining, chemical plants, terminal handing material plants, steel mills, cement factory etc..