| 怎样直观判断滴灌带产品的好坏呢？ |
| 添加时间：2019/10/29 16:28:51 浏览次数： |
| 怎样直观判断滴灌带产品的好坏呢？ How to judge the quality of drip irrigation belt products directly? 1、望：看表面是否光洁 1. Look: see if the surface is smooth 2、闻：是否有刺激性的气味 2. Smell: whether there is pungent smell 3、拉:看韧性,韧性强的好 3. Pull: look at toughness. It's good for toughness. 4、剪：断口壁厚是否均匀一致 4. Shear: whether the fracture wall thickness is uniform 5、折:有出白色粉的,差 5. Fold: there is white powder, poor 6、烧:烟大,不易燃的,差 6. Burning: large, nonflammable, poor |
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