水壓啊。
所有跟帖:
• 1放水橡皮球就卡住了。靠前端水壓把堵物推掉(也可能堵的更緊,甚至管壁裂縫增加) -位酷哥- ♂ (0 bytes) () 01/11/2023 postreply 12:44:49
• 1放水橡皮球就卡住了。靠前端水壓把堵物推掉(也可能堵的更緊,甚至管壁裂縫增加) -位酷哥- ♂ (0 bytes) () 01/11/2023 postreply 12:44:49
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