Abnormal noise in the pump. Pump could not suctionwater.
水泵内部声音反常,水泵吸不上水。
2
Pump could not suctionwater. The fingers of pressure gauge and vacuum gauge swing acutely.
水泵不吸水,压力表及真空表的指针在剧烈摆动。
3
At the other conditions remain unchanged, a high degree of self-suctionwater with a high degree also increased (but not more than the best water separation room height).