4“管,也能起到一定的作用。
行嘛?能通过吗?
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you can not have a gap
-borisg-
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12/24/2019 postreply
09:02:19
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我再用铝胶带一点点把俩管交接处封好。不太好干,6”管是平头,中间有个4“ 洞。
-lawattaction-
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12/24/2019 postreply
09:14:09
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问题:管子下端,和热水器是有大空隙的,为什么? (看图)
-lawattaction-
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12/24/2019 postreply
10:11:53
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don't ask me why...the flame goes up to suck the air in.
-borisg-
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12/24/2019 postreply
10:15:31
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两个作用,1. 风往下吹时,不会都吹进热水炉。2.废气往外排时,房子里的空气能帮助排出(Draft)。
-hhtt-
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12/24/2019 postreply
10:41:23
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谢以上二位,看来要常到这逛逛。
-lawattaction-
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12/24/2019 postreply
11:47:07
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