实现压榨机列"节能、挖潜、增效、安全"——论"适当缩小工作开口比值的技术"
실현압자궤렬"절능、알잠、증효、안전"——론"괄당축소공작개구비치적기술"
Realization of squeezing machine "energy saving,potential and efficiency,safety" --Concerning "properly narrow opening ratio technology"
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