Hexagonal guardrail customized corrosion lilo na kumu maoli, ma ke ano o ke kinona, waihoʻoluʻu a me mechanical waiwai e hoʻololi, i ka hopena o nā lako hana, pipeline leakage, ma keʻano, he maʻalahi ka haʻihaʻi, lilo ka hana pale kumu.ʻO ka corrosion maʻamau metala corrosio...
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