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1·The farther apart any two metals are, the stronger the corroding effect on the higher one in the galvanic series.

两种金属的电位序差别愈大，对电位序高的金属的腐蚀作用愈强。

2·The galvanic series of metals details how the galvanic current will flow between two metals, and which corrode when they are in contact or near each other in the ground.

金属的腐蚀电位序说明两种金属间电流如何流动、两种金属接触时或两种金属在土壤内接近时哪一种金属被腐蚀。

3·Connection tablet are set among all refrigeration galvanic cascade surfaces, and levels of refrigeration galvanic connected by electrical connection in parallel and hot connection in series.

各级制冷电偶叠面之间设置有连接片，使制冷电偶级与级之间并联电连接和串联热连接。