成人在线综合,天天爽夜夜爽人人爽一区二区,久久激情免费视频,久久久精品免费,国产成人精品福利站,7799国产精品久久久久99,91学院派女神

1.application of the sewage grinder

2.Flow rate

3.Width of the channel(for channel type) or connection of the flange(for pipeline type)

4,Height of the channel

5.water level

6.solid type

7.explosion proof class

8.Power of the motor

9.if the motor will immerse in the water