丰满大爆乳波霸奶_无码aⅴ精品一区二区三区_国产在线精品一区二区_国产精品国产三级国产a-国产精品无码无片在线观看_中字无码一人妻无码_久久不精品亚洲无码视频_日本一道在线观看

1

Service conditions of multi suction corrosion resistant submerged sewage pump

時間:2020-08-18 訪問量:833

1. The temperature of conveying medium shall not exceed + 80 ℃;
2. The pH value of conveying medium is 4-10;
3. Medium density <, > should be explained when ordering;
4. Pollutant carrying capacity: the maximum diameter of solid particles shall not exceed 2mm.