the frequency conversion electricalmachinery
...变频电机，风机冷却塔 [gap=614]tive energy steel-making, is mad the recycling, the steamelectricity generation, the frequency conversion electricalmachinery, the air blower cooling tower ..
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the frequency conversion electricalmachinery
变频电机
以上为机器翻译结果，长、整句建议使用 人工翻译 。