碳块是一种用于起重机的配件设备。
Carbon block is a kind of accessory equipment for the crane.
碳块中有两个彼此间隔的电极，任意高于设计标准的电压都可以跨过电线入地。
The carbon block consists of two electrodes spaced so that any voltage above the design level is arced from line to ground.
采用优质阴极碳块是完善和提高我国大型预焙槽炼铝技术，增强铝电解工业竞争力的关键因素之一。
To enhance the competitiveness of our aluminium industry, one of the key factors is to catch up the world advanced level of cathode technique and further improve our aluminium smelting technology.
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