Equipped with filtering acid mist flame-proof device, more safe and reliable.

装备了过滤酸雾隔爆装置，更安全可靠。

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Special control system. The internal structure applies acid-proof and alkali-proof design, so as to prolong the product life.

特殊化控制系统设计，内部结构采用防酸、碱设计，延长使用寿命。

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Raw materials, compound, casting, maintenance and acidification in the construction of high density acid proof concrete are described.

详细介绍了密实性耐酸混凝土的原材料、配制过程、浇注、养护及酸化处理等。

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In doing so they not only made it acid- and base-proof, they also improved its gunk-resistance.

ECONOMIST: Monitor: Encouraging hydrophobia | The