求翻译：化学清洗是采用化学药剂配置的清洗液通过浸泡、循环或喷淋等方法清除设备污垢的专用技术。设备由于沉积污垢，会产生垢下腐蚀，造成器壁局部穿孔，因而清除污垢能达到延长设备使用寿命的目的。化学清洗剂溶解污垢的同时也腐蚀基体金属。在溶垢与腐蚀反应中，不可避免地还会产生氢等气体，通过气掀作用残垢与基体分离，但又会造成氢腐蚀给设备带来危害。以盐酸清洗钢制设备为例：是什么意思？

Chemical cleaning is the use of chemical cleaning solution by soaking the configuration, circulation or spray equipment and other methods to remove dirt and proprietary technology. Equipment due to deposition of dirt, corrosion under the scale will produce, resulting in partial perforation of the wa

chemical cleaning is using chemical pharmaceutical configuration of washing fluid cycle through dipping, or spraying methods such as dirt removal of specialized technical equipment. Deposition equipment because dirt, corrosion, resulting from the wall for partial piercing, thus removing dirt can ach

Chemical cleaning is configured using chemical cleaning, loop, or immersed in liquid by spraying method to clear the special technique of fouling. Equipment due to deposition of dirt will produce under-deposit corrosion, causing perforation in the wall of local and decontamination can achieve the go