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从11月20日起,在我们闸工工地上,沿着‘预压台’周围的排水沟边,出现了许多大管、小管和变管,这就是‘井点系统’所用的管子。现在我们把‘井点系统’向大家作一介绍吧: (一)什麽是‘井点系统’我们如果把一根一根的小管子插入地下,每一根管子就好像一个水井一样。把这一群插到地下的小管子,用放在地面上的大管子联接起来,在它们之间就彼此发生了联系,再在大管上接上一部抽水机,就可把地下水抽出来。这些有联系的管子和抽
From November 20, a number of pipes, tubes and tubes have emerged along the gutters around our pre-compression station on our gate works. This is the tube used in the Well Point System. Now let’s introduce the Well Point System: (1) What is Well Point System? If we insert a small pipe into the ground, each pipe is like a well. Connect this group of small underground pipes to the ground, connect them with big pipes on the ground, make contact with each other, and then connect a pump to the big pipe to draw the groundwater out. These linked pipes and pumping