The serious corrosion problem at low temperature could be found in atmospheric-vacuum distillation unit, especially in the atmosphere overhead condenser.
常减压装置存在较为严重的低温位腐蚀问题，尤其是常压塔顶冷凝器腐蚀问题更为严重。
Corrosion inhibitor must be added in sealing, sanding, degreasing and pickling to avoid over-corrosion, and sealing should be operated at low temperature.
电镀工艺中的封孔、振光、除油、酸洗等工序必须添加缓蚀剂，且低温封孔，以避免过腐蚀。
The corrosion mechanism of the equipment and pipeline in FCC unit low temperature system is expounded together with the corrosion protection measures both at home and abroad.
论述了催化裂化低温系统的设备、管道腐蚀机理，以及国内外一贯采用的防腐蚀措施。
With excellent abrasion resistance, anti-corrosion, anti-high temperature, anti-heavy-duty performance, high torque at low load and high-speed impact of effective protection under harsh tooth.
具有极佳的抗磨损、抗腐蚀、抗高温、抗重载性能，在低速高扭矩和高速冲击负荷的苛刻条件下有效保护齿面。
With excellent abrasion resistance, anti-corrosion, anti-high temperature, anti-heavy-duty performance, high torque at low load and high-speed impact of effective protection under harsh tooth.
具有极佳的抗磨损、抗腐蚀、抗高温、抗重载性能，在低速高扭矩和高速冲击负荷的苛刻条件下有效保护齿面。
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