Sdimentation division of relict sand is a local corrosion, and by chief action of invasion and control of shelf-water.

残留砂沉积区，主要受陆架水入侵控制作用，是一局部侵蚀的海相环境；

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Leak of the product with moisture, security, oxidation, corrosion, fresh, extended shelf-life functions, improve the product level, the integrity of packaging.

具有对产品防漏防潮、防伪、防氧化、耐腐蚀、保鲜、延长保质期的功能、提高产品等级、实现包装的完整性。

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Blower machine cover, anti-corrosion table, work shelf, anti-corrosion cover and other petrochemicals;

风机罩、机器外罩、防腐地台、工作架子、防腐罩等石油化工工业用品；

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