倒一瓶draino进去,
https://www.target.com/p/drano-max-gel-clog-remover-80oz/-/A-12972765?ref=tgt_adv_XS000000&AFID=google_pla_df&fndsrc=tmnv&DFA=71700000079997028&CPNG=PLA_DVM%2B0060H00000uK9qBQAS+-+SCJ_2021_Home+Cleaning_Search_Flight&adgroup=PLA_Drano&LID=700000001393753pgs&network=g&device=m&location=9007784&gbraid=0AAAAAD-5dfYaGbtYUbgqx8ZSJr2MNVSEG&gbraid=0AAAAAD-5dfYaGbtYUbgqx8ZSJr2MNVSEG&gclid=EAIaIQobChMI-4rF88Ss8wIVBPrICh2erA8tEAQYASABEgIZcfD_BwE&gclsrc=aw.ds#
• 堵得不严重的可以用Chemical,但Chemical不能分解的就要用机械方法 -zhang88- ♂ (0 bytes) () 10/02/2021 postreply 16:55:41