你可以試試

來源: nyjg 於 2026-02-18 20:24:38 [] [舊帖] [給我悄悄話] 閱讀數 : (159 bytes)
回答: 接著問熱水器問題 由 slow_quick 於 2026-02-18 09:48:20

Cathodic protection works. I've seen application of impressed current cathodic protection system for H piles that are semi submerged in sea water.

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