Severe corrosion prevention for materials in oceaneering.
海洋工程中的材

蚀防护。
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篇 Shawn worked long days cleaning, cutting and welding the raw materials for the granaries, and once construction began he was usually on-site in Malad. When he and Dad came home, hours after sunset, they were nearly always cussing.
连日以来肖恩都在为仓库清洗、切割和焊接原材料,一旦工
开工,他几乎常驻马拉德。日落几小时后他和爸爸回到家时,两人几乎总是骂骂咧咧的。