Suddenly, the water column was no more, music stopped.
突然，水柱全没了，音乐也停止了。
To provide accurate reading of head pressure , the line should connect at the base of the water column.
为了提供精确的水头压力参数，管线应该连接到水柱的底部。
To provide accurate reading of head pressure , the line should connect at the base of the water column.
为了提供精确的水头压力参数，管线应该连接到水柱的底部。
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