对于形成的原因，一开始认为是陨星的撞击造成的，但现在地质学家认为是地壳隆起和腐蚀的结果。
The formation was originally thought to be caused by a meteorite impact but now geologists believe it is a product of uplift and erosion.
成品油管线在运营过程中会发生泄漏，主要原因为管线腐蚀、外力撞击、打孔盗油及水击等，泄漏后油品蒸发扩散形成的爆炸性区域具有很大的危险。
Oil gas diffusion can probably occur from the product pipeline due to some factors such as pipe corrosion, foreign power collision, oil stolen by drilling hole or water hammer.
玻璃纤维与树脂结合，抗张裂性能加强、耐多种化学品的腐蚀、抗撞击、增强韧性、可承受重压、重载物行走。
Combining glass fiber with resin, strong performance resistant to crack, resistant to various, chemicals, resistant to impact, strengthened toughness, able to bear heavy pressure and goods.
产品优点：色彩鲜亮，抗老化，耐腐蚀，网面平整，强力张紧，不易受外力撞击变形。
Advantages: bright colors, anti-aging, corrosion resistance, flat surface, strong tension, less vulnerable to external shock deformation.
箱体外部采用新型哑光聚安酯涂料及喷涂技术工艺处理，抗腐蚀、抗撞击、耐磨、减少音响的损坏。
Cabinet together with new dumb light external install ester coatings and spraying technology processing, corrosion resistance, impact resistant, wear-resisting, reduce sound damage.
箱体外部采用新型哑光聚安酯涂料及喷涂技术工艺处理，抗腐蚀、抗撞击、耐磨、减少音响的损坏。
Cabinet together with new dumb light external install ester coatings and spraying technology processing, corrosion resistance, impact resistant, wear-resisting, reduce sound damage.
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