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直流電機(jī)使用中的問(wèn)題 |
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點(diǎn)評(píng)
沒(méi)哪時(shí)間,,更沒(méi)有哪個(gè)成本,因?yàn)閾Q電機(jī)成本更低,,舊的電機(jī)也能賣(mài)廢品,,修和維護(hù)會(huì)比換新的成本更貴,所以選 擇壞了就換,,我當(dāng)時(shí)工作環(huán)境很差,,超級(jí)臟,,沒(méi)人愿意修
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