pall ring meaning in Chinese
鲍尔环
Examples
- Geometric characteristic parameter of metal pall ring
金属鲍尔环几何特性参数 - Compression test method of polypropylene pall ring packing
聚丙烯鲍尔环填料抗压试验方法 - Long - term heat distortion test method of polypropylene pall ring packing
聚丙烯鲍尔环填料长期热变形试验方法 - The irregular stuffing mainly consists of metal pall ring stuffing , metal step ring stuffing and metal interrose stuffing
散堆填料主要有：金属鲍尔环填料金属阶梯环填料金属环矩鞍即金属英特洛斯填料。