High-volume ratio: a compact design, small size, light weight, flexible and convenient to carry.
高容积比：紧凑设计，体积小，重量轻，携带灵活方便。
The cost of the power supply is low, the volume is small, the weight is light, and the ratio of property to price high. It should be a kind of c...
该送丝电源成本低，体积小，重量轻，性价比高，是一种值得推广的电路。
The cost of the power supply is low, the volume is small, the weight is light, and the ratio of property to price high. It should be a kind of circuit worth...
该送丝电源成本低，体积小，重量轻，性价比高，是一种值得推广的电路。
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