一個是其中一段T接鑲處裝反了方向,用snake那一定會捅破它;
另一個是有一截接口沒有用膠水,水長期慢慢漏出來,做成周圍泥砂疏鬆,如用snake一絞就肯定鬆脫;
再一個是用鑄鐵做的管生鏽了,有一小段廢如豆腐炸,想想怎可能經受snake的折騰?
一個是其中一段T接鑲處裝反了方向,用snake那一定會捅破它;
另一個是有一截接口沒有用膠水,水長期慢慢漏出來,做成周圍泥砂疏鬆,如用snake一絞就肯定鬆脫;
再一個是用鑄鐵做的管生鏽了,有一小段廢如豆腐炸,想想怎可能經受snake的折騰?
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