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