Cast hopper. The double layer design, noise reduction;
投料斗双层设计，减少噪音；
Immediately there is a sharp increase in current to charge the double layer.
电流立即急剧增加而使双电层充电。
Double layer sound proof, Low noise.
双层隔音，噪音低。
Levee double - layer foundation is very common in levees along large rivers.
双层堤基在大江大河防洪干堤中非常普遍。
Levee double - layer foundation is very common in levees along large rivers.
双层堤基在大江大河防洪干堤中非常普遍。
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