但是请相信我,单凭高压水柱的压力足以能够驱散一个愤怒的人群。
But believe me, the water pressure alone will disperse an angry crowd.
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。
To provide accurate reading of head pressure , the line should connect at the base of the water column.
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