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... un's expression grew increasingly grave.
As an engineer, how could he not know what this phenomenon implied?
It was obvious.
Somewhere in the middle or at the other end of the pipe, there must be some mechanism generating suction.
However, given that the maid Yue Lian was supervising the site, Xu Yun could only temporarily shelve the many thoughts swirling in his mind and start drawing water with Zhang San.
The East Wing of the Su Mansion was a guest room, ...
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